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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of securities that are debt instruments (corporate or municipal bonds) that typically have long-term nominal maturities for which the interest rate is reset through an auction process.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value portion 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.

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Fair value of contingent consideration in a business combination that is classified in shareholders' equity.

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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

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Fair value of financial and nonfinancial obligations.

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Amount, before tax and adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Fair Value (Details) - USD ($) $ in Millions	12 Months Ended
Fair Value (Details) - USD ($) $ in Millions	Feb. 23, 2024	Feb. 24, 2023	Feb. 25, 2022	Feb. 26, 2021
Fair Value, Option, Quantitative Disclosures [Line Items]
Restricted Cash	$ 7.3	$ 6.8	$ 6.1	$ 5.8
Unrealized gain (loss) on investments	(0.7)	0.5	0.0
Viccarbe Habitat, S.L. Q3 FY22
Fair Value, Option, Quantitative Disclosures [Line Items]
Business Combination, Contingent Consideration, Liability	14.1
Auction Rate Securities [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Available-for-sale Securities, Par Value	3.2
Other than Temporary Impairment Losses, Investments	0.9
Unrealized gain (loss) on investments	0.5
Estimated Reduction in Fair Value due to a One Hundred Basis Point Increase in Discount Rate	0.3
Fair Value, Recurring [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Cash and cash equivalents	318.6	90.4
Restricted Cash	7.3	6.8
Assets, Fair Value Disclosure	329.5	101.6
Liabilities, Fair Value Disclosure	(0.5)	(9.8)
Fair Value, Recurring [Member] \| Foreign Exchange Contract [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure	0.8	2.3
Foreign Currency Contracts, Liability, Fair Value Disclosure	(0.5)	(0.3)
Fair Value, Recurring [Member] \| Auction Rate Securities [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Auction rate security	2.8	2.1
Fair Value, Recurring [Member] \| Contingent Consideration Type [Domain]
Fair Value, Option, Quantitative Disclosures [Line Items]
Contingent Consideration Classified as Equity, Fair Value Disclosure	0.0	(9.5)
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Cash and cash equivalents	318.6	90.4
Restricted Cash	7.3	6.8
Assets, Fair Value Disclosure	325.9	97.2
Liabilities, Fair Value Disclosure	0.0	0.0
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Foreign Exchange Contract [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure	0.0	0.0
Foreign Currency Contracts, Liability, Fair Value Disclosure	0.0	0.0
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Auction Rate Securities [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Auction rate security	0.0	0.0
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Contingent Consideration Type [Domain]
Fair Value, Option, Quantitative Disclosures [Line Items]
Contingent Consideration Classified as Equity, Fair Value Disclosure	0.0	0.0
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Cash and cash equivalents	0.0	0.0
Restricted Cash	0.0	0.0
Assets, Fair Value Disclosure	0.8	2.3
Liabilities, Fair Value Disclosure	(0.5)	(0.3)
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Foreign Exchange Contract [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure	0.8	2.3
Foreign Currency Contracts, Liability, Fair Value Disclosure	(0.5)	(0.3)
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Auction Rate Securities [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Auction rate security	0.0	0.0
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Contingent Consideration Type [Domain]
Fair Value, Option, Quantitative Disclosures [Line Items]
Contingent Consideration Classified as Equity, Fair Value Disclosure	0.0	0.0
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Cash and cash equivalents	0.0	0.0
Restricted Cash	0.0	0.0
Assets, Fair Value Disclosure	2.8	2.1
Liabilities, Fair Value Disclosure	0.0	(9.5)
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Foreign Exchange Contract [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure	0.0	0.0
Foreign Currency Contracts, Liability, Fair Value Disclosure	0.0	0.0
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Auction Rate Securities [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Auction rate security	2.8	2.1	2.6
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)	0.7	(0.5)
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Contingent Consideration Type [Domain]
Fair Value, Option, Quantitative Disclosures [Line Items]
Contingent Consideration Classified as Equity, Fair Value Disclosure	0.0	(9.5)
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Contingent Consideration Type [Domain] \| Viccarbe Habitat, S.L. Q3 FY22 \| Fair Value, Disclosure Item Amounts [Domain]
Fair Value, Option, Quantitative Disclosures [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	(9.5)	5.2
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Contingent Consideration Type [Domain] \| Viccarbe Habitat, S.L. Q3 FY22
Fair Value, Option, Quantitative Disclosures [Line Items]
Contingent Consideration Classified as Equity, Fair Value Disclosure	(0.0)	$ (9.5)	$ (4.9)
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Contingent Consideration Type [Domain] \| Viccarbe Habitat, S.L. Q3 FY22 \| Foreign Currency Gain (Loss)
Fair Value, Option, Quantitative Disclosures [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ (0.6)