This appeal arises out of litigation stemming from the $25 billion leveraged buyout (“LBO”) of defendant RJR Nabisco, Incorporated (“RJR” or the “Company”) by the investment firm of Kohlberg Kravis Roberts & Company (“KKR”). Plaintiffs Metropolitan Life Insurance Company (“MetLife”) and Jefferson-Pilot Life Insurance Company (“Jefferson-Pilot”) appeal from so much of an order of the United States District Court for the Southern District of New York, John M. Walker, then-District Judge, as granted a motion by RJR for an injunction tolling the running of contractual cure periods contained in indentures governing various RJR notes and debentures held by plaintiffs, pending adjudication of RJR’s contention that there had been no default such as to trigger the cure periods. 716 F.Supp. 1526 (1989). On *886appeal, plaintiffs contend principally that (1) the injunction impermissibly altered the parties’ agreements, and (2) RJR failed to meet the requirements for preliminary in-junctive relief. We agree that the district court did not give effect to the clear terms of the indentures, and we therefore vacate the order tolling the cure periods and remand for further proceedings.
I. BACKGROUND
Between 1975 and 1988, RJR issued at least nine series of notes and debentures (the “debt securities”). Plaintiffs, together with their subsidiaries, purchased notes and debentures in several of these series; by the fall of 1988, MetLife held approximately $340 million of these securities, and Jefferson-Pilot held approximately $9.3 million.
A. The Default and Cure Provisions
Each series of the debt securities was subject to one of four indentures dated April 1, 1977, June 15, 1982, October 15, 1982, or March 1, 1987. Each of the indentures included among its terms a so-called negative pledge covenant that prohibited RJR from mortgaging or pledging certain assets to secure other indebtedness unless the securities covered by the indenture were secured “equally and ratably with all indebtedness secured by such mortgage or pledge.” (E.g., October 15, 1982 indenture § 3.7; April 1, 1977 indenture § 4.06). Each indenture also provided for a period during which RJR could cure a breach of the negative pledge covenant.
The two indentures at issue on this appeal are those dated October 15, 1982 and April 1, 1977. The cure provision of the October 15, 1982 indenture, insofar as it related to the negative pledge covenant, provided as follows:
In case one or more of the following Events of Default with respect to Securities ... shall have occurred and be continuing, that is to say:
(d) failure on the part of the Issuer duly to observe or perform any other of the covenants or agreements on the part of the Issuer in the Securities or in this Indenture contained for a period of 90 days after the date on which written notice specifying such failure, stating that such notice is a “Notice of Default” hereunder and demanding that the Issuer remedy the same, shall have been giyen ... to the Issuer and the Trustee by the holders of at least 25% in aggregate principal amount of the Securities at the time Outstanding;
... If an Event of Default described in clause (d) ... occurs and is continuing, then and in each and every such case, unless the principal of all the Securities shall have already become due and payable, either the Trustee or the Holders of not less than 25% in aggregate principal amount of all the Securities then Outstanding hereunder ... by notice in writing to the Issuer ... may declare the entire principal ... of all the Securities then Outstanding and interest accrued thereon, if any, to be due and payable immediately, and upon any such declaration the same shall become immediately due and payable.
(October 15, 1982 indenture § 5.1). Section 6.01 of the April 1, 1977 indenture was substantially identical, except that it provided only a 60-day cure period. The pertinent cure provisions of the June 15, 1982 and March 1, 1987 indentures were identical to or substantially in accordance with those of the October 15, 1982 indenture, providing for a 90-day period after receipt of a Notice of Default during which RJR could cure a default with respect to the negative pledge covenant.
In the fall of 1988, MetLife also held a $10 million note of RJR subsidiary Del Monte Corporation (“Del Monte”) which was guaranteed by RJR and governed by a Guarantee and Amended Agreement dated April 1, 1984 (the “Del Monte Agreement”). The Del Monte Agreement contained a restriction, similar to the negative pledge covenants in the indentures, on RJR’s pledging or mortgaging of assets. Unlike the indentures, however, the Del Monte Agreement *887did not require any Notice of Default before the note could be accelerated, and it did not provide for a period in which default could be cured.
B. The LBO and the Notices of Default
In October 1988, defendant F. Ross Johnson, then RJR’s Chief Executive Officer, proposed to RJR an LBO of the Company’s stockholders. This proposal sparked a bidding war for the Company that was concluded on December 1, 1988, when the Company accepted a bid from KKR.
After the announcement of the LBO, the RJR debt securities, previously rated “A”, lost their “A” ratings. On November 17, 1988, anticipating that any LBO would seriously erode the value of the debt securities, MetLife commenced the present action against RJR and Johnson in New York State court alleging, inter alia, fraudulent conveyances and breach of implied covenants of good faith and fair dealing. RJR promptly removed the action to the district court, whereupon MetLife, now joined by Jefferson-Pilot, filed an amended complaint which added allegations of, inter alia, securities laws violations and fraud.
In January 1989, plaintiffs moved for summary judgment or, in the alternative, for a preliminary injunction prohibiting RJR from encumbering its assets unless it posted sufficient security to enable it to redeem the debt securities. RJR cross-moved for, inter alia, judgment on the pleadings dismissing parts of the complaint.
While these motions were pending, the LBO was completed, and RJR was merged into a KKR affiliate on April 28, 1989. Permanent financing for the LBO included bank loans of up to $12.75 billion pursuant to a credit agreement, and $5 billion of subordinated debt. The bank loan agreements required RJR to sell RJR assets valued at $5.5 billion and use the proceeds to repay some $5.5 billion of the LBO financing.
On May 8 and 10, while the parties’ motions were still sub judice, plaintiffs sent RJR six Notices of Default pursuant to the indentures. The Notices alleged that the LBO financing arrangements requiring RJR to sell $5.5 billion in RJR assets and use the proceeds to repay LBO lenders were tantamount to a pledge of those assets to the LBO lenders without equal and ratable security for the holders of the securities covered by the indentures, and that these arrangements therefore violated the negative pledge covenants. MetLife also sent a Notice of Acceleration with respect to the $10 million Del Monte note. On May 9, RJR notified plaintiffs of its view that there had been no default and asked plaintiffs to rescind the Notices. Plaintiffs refused.
RJR moved in the district court for a preliminary injunction tolling the periods during which it could cure the alleged defaults. Eventually, it filed a counterclaim seeking, inter alia, (1) a declaratory judgment that the Notices of Default and Notice of Acceleration were invalid and that there was no default, and (2) damages for plaintiffs’ “unreasonable], reckless[], malicious[ ] and ... bad faith sending [of] the improper notices for the purpose of injuring RJR.”
C. The Decision of the District Court
In an order dated May 26 (“May 26 Order”), the district court temporarily enjoined RJR from selling assets that were subject to the negative pledge covenant, to the extent that’ the proceeds were to be dedicated to repaying the LBO lenders, until the court could address the tolling issue. The May 26 Order set an expedited briefing schedule for RJR’s motion, envisioning decision of the motion before July 8 and the expiration of the earliest cure period. Plaintiffs, however, sought reconsideration of the schedule, stating that it had the effect of precluding any opportunity for plaintiffs to have discovery on the claim. Plaintiffs apparently asserted that they needed some four months of discovery — a period that obviously exceeded the cure periods.
In a Memorandum and Order dated June 9, 1989 (“June 9 Order”), the district court vacated the stay against RJR’s sales of assets and granted so much of RJR’s mo*888tion as sought tolling of the cure periods in the April 1, 1977 and October 15, 1982 indentures until the court could decide RJR’s counterclaim for a declaratory judgment. The court found it
unreasonable for a lender not only to force an adversary to seek a judicial disposition of the lender’s claim but also to take actions which delay that disposition, while at the same time demanding that its adversary act at its peril in seeking that very legal ruling. Such circumstances call for a practical and equitable resolution.
June 9 Order, 716 F.Supp. at 1530.
Relying on landlord-tenant cases in which New York State courts had granted stays to tenants threatened with eviction by landlords claiming defaults, though noting that such injunctions “have been exclusively limited to the landlord-tenant context,” the court stated that
the animating principle of such equitable relief need not be so limited and restricted.... Just as the law does not favor forfeiture of a leasehold, ... so too should the law frown upon significant and potentially unnecessary defaults where a party has expressly bargained for a grace period during which time it can remedy inadvertent or intentional breaches of its obligations — so long as that party has a substantial and good faith basis for believing that no breach has occurred.
Id. at 1531.
The court stated that
[a]s an empirical matter, most disputed defaults may be handled with ease and dispatch: either the borrower has made its monthly interest payments, for instance, or it has not. This is not the case here.
Id. at 1530. The court found that RJR’s attempt to litigate the notices of default was in good faith; it “le[ft] ... to another day” a determination of RJR’s challenge to plaintiffs’ good faith; and it “conclude[d] that it would be inequitable to deny defendant its express, bargained for contractual right to cure.” Id. at 1530.
The court apparently did not toll the cure periods with respect to securities governed by the June 15, 1982 and March 1, 1987 indentures, in part because they would reach maturity before the expiration of the cure period and in part because as to certain series plaintiffs did not hold a sufficiently large percentage to entitle them to issue a Notice of Default. See id. at 1528 (“No questions are raised regarding alleged defaults as to a remaining $175 million of plaintiffs’ bonds which are either (a) due to mature before the default periods expire ($100 million) or (b) covered by explicit procedural provisions requiring, before a Notice of Default can be issued, either the consent of the indenture Trustee, or that plaintiffs hold at least 25 percent of the outstanding bonds at issue ($75 million).”). The court denied RJR relief with respect to the Notice of Acceleration covering the Del Monte note, observing that the Del Monte Agreement did not provide any cure period. The court stated that
[tjhere is nothing inconsistent with a refusal to read an implied cure period into the Del Monte Guarantee Agreement and extending cure periods in other indentures pending litigation on the default question. Where cure periods are present, by extending them the Court merely gives effect to the express intention of the parties that a cure option be available.
Id. at 1535 n. 7.
Plaintiffs have appealed so much of the June 9 Order as tolled the cure periods with respect to the April 1, 1977 and October 15, 1982 indentures. For the reasons below, we vacate the challenged portions of that order.
II. DISCUSSION
As an initial matter, we note that the June 9 stay, though styled a preliminary injunction, is more appropriately considered a final order appealable under the Cohen doctrine, see Cohen v. Beneficial Industrial Loan Corp., 337 U.S. 541, 546, 69 S.Ct. 1221, 1225, 93 L.Ed. 1528 (1949); see also Coopers & Lybrand v. Livesay, *889437 U.S. 463, 468-69, 98 S.Ct. 2454, 2457-58, 57 L.Ed.2d 351 (1978). The June 9 Order determined with finality the matter of whether the cure periods provided by the indentures may be expanded by order of the court. The district court clearly contemplated that all subsequent proceedings before it would be concerned exclusively with whether a breach of the negative pledge covenants had occurred, the cure issue having been fully resolved. Thus, the June 9 Order conclusively determined a question that (a) is collateral to the rights asserted in the action, (b) is too important to be denied review, and (c) would be mooted by the postponement of review until the final judgment in the action. As a final collateral order, of course, the June 9 ruling is subject to plenary review. We conclude that it was based on an erroneous application of law.
In a contract action, the court’s general objective should be to give effect to the intentions of the parties in entering into the agreements. See, e.g., Hartford Accident & Indemnity Co. v. Wesolowski, 33 N.Y.2d 169, 171-72, 350 N.Y.S.2d 895, 898, 305 N.E.2d 907, 910 (1973); Morlee Sales Corp. v. Manufacturers Trust Co., 9 N.Y.2d 16, 19, 210 N.Y.S.2d 516, 518, 172 N.E.2d 280, 282 (1961); 4 S. Williston, Williston on Contracts § 600, at 280 (3d ed. 1961). Under New York law, which governs the indentures at issue here, if a contract is unambiguous on its face, its proper construction is a question of law. United States Naval Institute v. Charter Communications, Inc., 875 F.2d 1044, 1048 (2d Cir.1989).
Contract language is unambiguous if it has “a definite and precise meaning, unattended by danger of misconception in the purport of the [contract] itself, and concerning which there is no reasonable basis for a difference of opinion.” Breed v. Insurance Co. of North America, 46 N.Y.2d 351, 355, 413 N.Y.S.2d 352, 355, 385 N.E.2d 1280, 1283 (1978). Language whose meaning is otherwise plain is not ambiguous merely because the parties urge different interpretations in the litigation. Hunt Ltd. v. Lifschultz Fast Freight, Inc., 889 F.2d 1274, 1277 (2d Cir.1989). The court should not find the language ambiguous on the basis of the interpretation urged by one party, where that interpretation would “strain[ ] the contract language beyond its reasonable and ordinary meaning.” Bethlehem Steel Co. v. Turner Construction Co., 2 N.Y.2d 456, 459, 161 N.Y.S.2d 90, 93, 141 N.E.2d 590, 593 (1957).
The parties’ rights under an unambiguous contract should be fathomed from the terms expressed in the instrument itself rather than from extrinsic evidence as to terms that were not expressed or judicial views as to what terms might be preferable. In its efforts to preserve the parties’ rights and the status quo, the court must be careful not to alter the terms of the agreement. “The parties having agreed upon their own terms and conditions, ‘the courts cannot change them and must not permit them to be violated or disregarded.’ ” Diversified Mortgage Investors v. U.S. Life Title Ins. Co. of New York, 544 F.2d 571, 575 (2d Cir.1976) (quoting Whiteside v. North American Accident Ins. Co., 200 N.Y. 320, 326, 93 N.E. 948 (1911)).
The district court did not follow these prescriptions in the present case. The cure provisions at issue here are unambiguous. They state explicitly that if holders of 25 percent or more of the subject securities serve a notice of default denominated as such, and RJR fails to perform the covenants for a stated number of days thereafter — 90 days in the October 15, 1982 indenture, 60 days in the April 1, 1977 indenture — those holders may declare the outstanding principal and interest immediately due and payable. There is no mention in either indenture of a period for adjudication of any notice of default. Nor is there any mention of an automatic extension of the cure period in the event of litigation over the merits of the default notice or of a right on the part of RJR to seek an extension from the court.
In tolling the cure periods pending adjudication of the merits of the default notice, therefore, the court plainly departed from the express terms of the indentures. Though the court’s statement that “it *890would be inequitable to deny [RJR] its express, bargained for contractual right to cure” is true, it is no less inequitable to deny the lenders their express, bargained-for, contractual limitation on the period during which cure may be effected. Thus, we reject the district court’s view that “[w]here cure periods are present, by extending them the Court merely gives effect to the express intention of the parties that a cure option be available.” Where the parties have expressly agreed that the availability of a cure period shall be temporally limited, the court does not give effect to the parties’ intention by removing the time limitation.
Here, the right to cure that was bargained for and expressly given to RJR was not, in the indentures, measured by the time required to obtain an adjudication of the merits of a notice of default. Any suggestion that RJR bargained for and obtained a period to cure of longer than the period expressly and unambiguously provided in the indentures is wrong as a matter of law. The court’s June 9 Order, rather than “merely giv[ing] effect to the express intention of the parties,” rewrote the cure provision in the October 15 indenture to give RJR the opportunity to cure until “the expiration of 90 days or the expiration of sufficient time to obtain a declaratory judgment as to whether or not there was a default, whichever occurs later.”
Though this reconstruction may have been the “practical” resolution sought by the district court, it was not authorized by any body of applicable law. To the extent that the court relied on the real estate law of New York, that reliance was misplaced. We have found no indication that the state courts of New York have granted stays tolling cure-period type provisions except in landlord-tenant matters, where, because of the unique nature of real estate, the absence of a stay would result in a forfeiture. See, e.g., Post v. 120 East End Avenue Corp., 62 N.Y.2d 19, 475 N.Y.S.2d 821, 464 N.E.2d 125 (1984); First National Stores, Inc. v. Yellowstone Shopping Center, Inc., 21 N.Y.2d 630, 290 N.Y.S.2d 721, 237 N.E.2d 868 (1968). We do not agree with the district court’s extension of this line of cases to standard form indentures, see American Bar Foundation, Commentaries on Indentures 204, 207, 217 (1971) (“Commentaries”), such as those used here. We conclude that its interpretation of the indentures as permitting an extension of the cure periods until the merits of the default notices could be adjudicated was at odds with the indentures’ unambiguous cure provisions, and thus was impermissible.
In support of its contention that the cure provisions at issue here are ambiguous because the parties could have included a clause expressly prohibiting the borrower from seeking injunctive relief from the agreed time limitations, the dissent relies in part on a clause in the American Bar Foundation’s Model Debenture Indenture Provisions and Commentaries, which the dissent quotes as allowing the lender to obtain a covenant that “ ‘it will not at any time ... plead, ... claim or take the benefit ... of, any stay....’” Dissenting opinion, post at 892 (all ellipses in dissent). We believe the dissent has misread that standard clause, which to us appears directed toward stays imposed by statutory law. The model provision reads as follows:
The Company covenants (to the extent that it may lawfully do so) that it will not at any time insist upon, or plead, or in any manner whatsoever claim or take the benefit or advantage of, any stay or extension law wherever enacted, now or at any time hereafter in force, which may affect the covenants or the performance of this Indenture; and the Company (to the extent that it may lawfully do so) hereby expressly waives all benefit or advantage of any such law, and covenants that it will not hinder, delay or impede the execution of any power herein granted to the Trustee, but will suffer and permit the execution of every such power as though no such law had been enacted.
Commentaries at 242-45 (emphasis added); see also R. Landau, Corporate Trust Administration and Management 179 (3d ed. 1985).
*891Nor are we persuaded by the dissent’s assertion that “well-known” “modern equity practice” routinely enjoins the effective date of cure provisions. No cases of that nature have been cited to us, nor have we uncovered any through independent research. If such a modern equity practice existed, it would not have been necessary for the district court and the parties to have discussed at such length New York decisions such as Yellowstone that are limited to landlord-tenant relations.
We concede without apology that we believe contract provisions specifying 60-day periods mean 60 days rather than 60 days plus an additional period calculated by the length of the chancellor’s foot. We do not agree, therefore, with the dissent’s view that a contractual provision specifying a cure period of 60 days sets only a minimum period subject to routine judicial extensions that could last for years. Finally, we reiterate our view that an extension such as that granted here is not a preliminary injunction preserving the status quo, but rather one that radically alters that status by permanently changing the cure provisions.
There is, of course, nothing in the indentures to prevent RJR from seeking an adjudication of the merits of the notice of default. But since the length of the cure periods is clearly and unambiguously specified, RJR assumes the risk that the cure period will expire before a decision is rendered.
This does not mean, however, that the lenders are entitled to take steps — such as demanding extended discovery — that will delay such a decision past the end of the cure period. Just as the borrower has no right to prolong the contractual cure period in order to obtain an adjudication of the merits of the default notice, the lender has no right to engage in conduct that effectively shortens the period in which the borrower may cure or obtain such an adjudication.
In sum, when the district court is presented with a claim for adjudication of the merits of the default notice and/or a demand by the lender for discovery, it should not allow either party to take action that would unilaterally vary the contractual terms. In such circumstances, the court should, first, assess the need for the requested discovery. We can envision scenarios in which the lender would have no real need for discovery, as where the facts and events are stipulated and the only question is whether those events constitute a default within the meaning of the indenture, or where the notice of default has no plausible basis. In such instances, the district court may simply deny the discovery request.
Where discovery is warranted, the court should exercise its inherent power to limit and expedite it. In addition, the court may, in order to protect both the right of the lender to obtain admissible evidence of default and the right of the borrower to use the full cure period to secure an adjudication, stay the running of the cure period for such time as the lender needs for discovery. If it decides to stay the running of the cure period while the lender conducts discovery, the court should take such steps as may be appropriate and necessary to prevent dilatory discovery responses by the borrower.
In the present case, the district court declined to address RJR’s contention that plaintiffs’ notices of default were sent in bad faith. Though the negative pledge covenants speak in terms of “mort-gag[ing]” and “pledging],” and perhaps those terms will be interpreted strictly, it may be that plaintiffs will be able to persuade the court (a) that these covenants were intended to prohibit any transaction that would, as to certain property, in effect give new lenders priority over the holders of the debt securities, and (b) that an agreement to sell that property in order to repay new lenders does in effect grant the new lenders priority interests in those assets. “The negative pledge covenant is intended to prevent other creditors from obtaining priority over the debenturehold-ers.... The possible encumbrances or claims which may create a priority over outstanding debentures or other such unsecured indebtedness may take a variety of *892forms.” Commentaries at 350. Thus, while plaintiffs’ claim that the LBO structure violated the negative pledge covenants may be novel, we doubt that the district court will determine that it has no plausible basis.
CONCLUSION
We have considered all of RJR’s arguments in support of the district court’s injunction and have found them to be without merit. We vacate so much of the June 9 Order as tolled the running of .the cure periods in the October 15, 1982 and April 1, 1977 indentures pending decision of the merits of the notices of default, and remand for further proceedings not inconsistent with this opinion. The stay provisions of the June 9 Order are vacated as of the date of the issuance of our mandate, and not ab initio. The mandate shall issue forthwith.
Costs to plaintiffs.