LEASE EXIT COSTS AND PROPERTIES HELD FOR SALE - Narrative (Details) $ in Millions	12 Months Ended
	Feb. 23, 2019 USD ($) facility transaction store	Feb. 24, 2018 USD ($) store
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of closed stores | store	55	26
Number of sale leaseback transactions | transaction	3
Aggregate purchase price, exclusive of closing costs	$ 950.0	$ 962.0
Annual rental payment increase period one	15 years	1 year
Annual rental payment increase period two	20 years	5 years
Annual rental payment	$ 55.0	$ 65.0
Deferred gain from sale leaseback	$ 362.5
Number of properties sold and leaseback | store		94
Lease term of sale-leaseback		20 years
Renewal lease term options for sale leaseback transaction		5 years
Sale leaseback transaction, number of qualifying stores | store		80
Gross deferred gain on sale leaseback		$ 360.1
Sale leaseback transaction, number of stores not qualifying | store		14
Financing liability		$ 133.4
Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Annual rent increases	1.50%
Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Annual rent increases	1.75%
Distribution centers
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of distribution centers sold | facility	7