LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Deferred Financing Costs and Interest Expense, Net (Details) - USD ($) $ in Millions	12 Months Ended
Feb. 27, 2021	Feb. 29, 2020	Feb. 23, 2019
Debt Instrument [Line Items]
Deferred financing costs	$ 20.9	$ 39.8	$ 42.7
Line of credit \| Asset-Based Loan Facility
Debt Instrument [Line Items]
Deferred financing costs	$ 25.9	35.4
Secured debt \| Term Loans
Debt Instrument [Line Items]
Deferred financing costs		$ 20.6	$ 12.9

Amount, after accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section S45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68176171&loc=SL68176184-208336

Name:	us-gaap_DebtIssuanceCostsLineOfCreditArrangementsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant