DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of Cash Flow Hedges (Details) - Interest rate swaps - Cash flow hedging - USD ($) $ in Millions	12 Months Ended
Feb. 29, 2020	Feb. 23, 2019	Feb. 24, 2018
Swaps designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), net of tax	$ (3.4)	$ (15.5)	$ 47.0
Swaps not designated as hedging instruments
Derivative Instruments, Gain (Loss) [Line Items]
Other comprehensive income (loss), net of tax	$ (47.9)	$ 0.0	$ 0.6

Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e640-108580

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration