Short-Term Borrowings And Long-Term Debt (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 25, 2022	Feb. 26, 2021
Debt Instrument [Line Items]
Debt and Lease Obligation	$ 482.5	$ 483.9
Long-term Debt and Lease Obligation, Current	5.1	4.7
Long-term Debt	$ 477.4	$ 479.2
Debt Instrument Details [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	1.43%
Amortization of Debt Issuance Costs	$ 0.8
Long-term Debt, Maturities, Repayment Terms	seven years
Short-term Debt, Weighted Average Interest Rate, at Point in Time	2.30%	2.60%
Debt Instrument Maturities [Abstract]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 5.1
Long-term Debt, Maturities, Repayments of Principal in Year Two	32.2
Long-term Debt, Maturities, Repayments of Principal in Year Three	0.0
Long-term Debt, Maturities, Repayments of Principal in Year Four	0.0
Long-term Debt, Maturities, Repayments of Principal in Year Five	0.0
Long-term Debt, Maturities, Repayments of Principal after Year Five	445.2
United States of America, Dollars
Debt Instrument [Line Items]
Debt and Lease Obligation	482.2	$ 483.6
United States of America, Dollars \| Senior Notes
Debt Instrument [Line Items]
Senior Notes	$ 444.9	444.1
Debt Instrument Details [Abstract]
Debt Instrument, Face Amount		$ 450.0
Debt Instrument, Purchase Price as a Percentage of Par Value		99.213%
Debt Instrument, Discount		$ 3.5
Debt Instrument, Interest Rate, Stated Percentage	5.125%
Debt Instrument, Interest Rate, Effective Percentage	5.60%
Debt Instrument Maturities [Abstract]
Payments of Debt Issuance Costs		4.0
United States of America, Dollars \| Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Notes Payable	$ 34.9	38.1
Debt Instrument Details [Abstract]
Debt Instrument, Face Amount	$ 50.0
Debt Instrument, Interest Rate, Stated Percentage	1.43%
Debt Instrument, Basis Spread on Variable Rate	1.20%
United States of America, Dollars \| Revolving Credit Facilities short term, secured uncommitted [Member]
Debt Instrument Details [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	$ 3.8
United States of America, Dollars \| Line of Credit
Debt Instrument [Line Items]
Line of Credit, Current	$ 2.4	1.4
Debt Instrument Details [Abstract]
Debt Instrument, Interest Rate, Stated Percentage	3.25%
Foreign Currency [Domain] \| Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Notes Payable	$ 0.3	$ 0.3
Foreign Currency [Domain] \| Revolving Credit Facilities short term, unsecured uncommitted [Member]
Debt Instrument Details [Abstract]
Line of Credit Facility, Maximum Borrowing Capacity	6.6
Balloon Payment [Member] \| United States of America, Dollars \| Notes Payable, Other Payables [Member]
Debt Instrument Details [Abstract]
Repayments of Long-term Debt	31.8
Fixed Monthly Payments [Member] \| United States of America, Dollars \| Notes Payable, Other Payables [Member]
Debt Instrument Details [Abstract]
Repayments of Long-term Debt	$ 0.2

Debt Instrument Details [Abstract]

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The amount of debt discount that was originally recognized at the issuance of the instrument.

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Debt Instrument Maturities [Abstract]

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Debt Instrument, Purchase Price as a Percentage of Par Value

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Amount of amortization expense attributable to debt issuance costs.

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Amount of short-term and long-term debt and lease obligation.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt and lease obligation, classified as current.

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Principal amount of long-term debt and capital lease obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Disclosure of timing of required repayments, sinking fund requirements, and other redeemable securities at fixed or determinable prices and dates in the five years immediately following the date of the latest balance sheet presented in the financial statements, and the amount thereafter to fully repay the principal of long-term debt. These disclosures may be made either on an individual debt or security basis, by type of debt or security basis, or on a combined basis.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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- Details

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