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Fair Value Narrative (Details) - USD ($) | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Nov. 27, 2020 | Feb. 28, 2020 | Nov. 22, 2019 | Feb. 22, 2019
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Debt, Long-term and Short-term, Combined Amount | $ 482,800,000 | $ 484,300,000 |  |
Long-term Debt, Fair Value | 556,700,000 | 560,000,000.0 |  |
Cash and cash equivalents | 484,400,000 | 541,000,000.0 |  |
Restricted Cash | 7,300,000 | 6,100,000 | $ 4,900,000 | $ 3,500,000
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Long-term Debt, Fair Value | 556,700,000 | 560,000,000.0 |  |
Fair Value, Recurring [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Cash and Cash Equivalents, Fair Value Disclosure | 484,400,000 | 541,000,000.0 |  |
Restricted Cash | 7,300,000 | 6,100,000 |  |
Assets, Fair Value Disclosure | 497,200,000 | 550,400,000 |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 800,000 | 500,000 |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 800,000 | 500,000 |  |
Fair Value, Recurring [Member] | Foreign Exchange Contract [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 3,100,000 | 1,200,000 |  |
Fair Value, Recurring [Member] | Auction Rate Securities [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Available-for-sale Securities, Fair Value Disclosure | 2,400,000 | 2,100,000 |  |
Fair Value, Inputs, Level 1 | Fair Value, Recurring [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Cash and Cash Equivalents, Fair Value Disclosure |  | 541,000,000.0 |  |
Restricted Cash |  | 6,100,000 |  |
Assets, Fair Value Disclosure | 491,700,000 | 547,100,000 |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 0 | 0 |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | 0 |  |
Fair Value, Inputs, Level 1 | Fair Value, Recurring [Member] | Foreign Exchange Contract [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0 | 0 |  |
Fair Value, Inputs, Level 1 | Fair Value, Recurring [Member] | Auction Rate Securities [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |  |
Fair Value, Inputs, Level 2 | Fair Value, Recurring [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Cash and Cash Equivalents, Fair Value Disclosure | 0 | 0 |  |
Restricted Cash | 0 | 0 |  |
Assets, Fair Value Disclosure | 3,100,000 | 1,200,000 |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 800,000 | 500,000 |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 800,000 | 500,000 |  |
Fair Value, Inputs, Level 2 | Fair Value, Recurring [Member] | Foreign Exchange Contract [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 3,100,000 | 1,200,000 |  |
Fair Value, Inputs, Level 2 | Fair Value, Recurring [Member] | Auction Rate Securities [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Available-for-sale Securities, Fair Value Disclosure | 0 | 0 |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Cash and Cash Equivalents, Fair Value Disclosure | 0 | 0 |  |
Restricted Cash | 0 | 0 |  |
Assets, Fair Value Disclosure | 2,400,000 | 2,100,000 |  |
Foreign Currency Contracts, Liability, Fair Value Disclosure | 0 | 0 |  |
Financial and Nonfinancial Liabilities, Fair Value Disclosure | 0 | 0 |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Foreign Exchange Contract [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Foreign Currency Contract, Asset, Fair Value Disclosure | 0 | 0 |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Auction Rate Securities [Member] |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |
Available-for-sale Securities, Fair Value Disclosure | 2,400,000 | $ 2,100,000 |  |
Unrealized gain on investments | $ 300,000 |  |  |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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