INCOME TAXES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 02, 2017	Dec. 02, 2017	Feb. 23, 2019	Feb. 24, 2018	Feb. 25, 2017	Feb. 27, 2016
Tax Credit Carryforward [Line Items]
Non-cash income tax benefit as a result of lower corporate income tax rate			$ (56.9)	$ (430.4)	$ 0.0
Reorganization of limited liability companies			0.0	46.7	0.0
Released of deferred tax asset valuation allowance	$ (359.0)	$ 141.0		(218.0)
Tax expense for losses benefited by the members			0.0	83.1	16.6
Valuation allowance for deferred tax assets			139.5	134.9	387.6	$ 286.8
Tax positions that would reduce effective tax rate if recognized in future periods			267.7	249.0	231.3
Indemnification assets recorded that would offset any future recognition			9.7
Expenses (benefits) related to interest and penalties			1.8	$ 4.6	4.5
Reduction in uncertain tax position from the adoption of IRS safe harbor					$ 70.1
Possible decrease in uncertain tax position in the next twelve months			124.2
Federal
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards			385.1
Amount of tax credit carryforward			12.5
State
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards			2,043.2
Amount of tax credit carryforward			$ 46.5