Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

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- Definition

The effective portion of losses on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Derivative Financial Instruments - Narrative (Details) - USD ($) $ in Millions	Dec. 23, 2016	Feb. 24, 2018	Feb. 25, 2017	Dec. 22, 2016	Jan. 30, 2015
Interest rate swaps
Derivative [Line Items]
Aggregate notional amounts of interest swaps		$ 3,110.0	$ 3,968.6
Deal-contingent swap
Derivative [Line Items]
Fair value of interest rate swaps					$ 96.1
LIBOR \| Interest rate swaps
Derivative [Line Items]
Basis spread on variable rate	0.75%			1.00%
Not designated as hedging instrument \| Interest rate swaps
Derivative [Line Items]
Derivative losses deferred in other comprehensive income (loss)	$ (23.9)
Cash flow hedging \| Designated as hedging instrument \| Interest rate swaps
Derivative [Line Items]
Aggregate notional amounts of interest swaps		3,052.0	3,910.6
Cash flow hedging \| Designated as hedging instrument \| Deal-contingent swap
Derivative [Line Items]
Aggregate notional amounts of interest swaps		1,667.0	2,300.6
Other Current Liabilities \| Cash flow hedging \| Designated as hedging instrument \| Interest rate swaps
Derivative [Line Items]
Fair value of interest rate swaps		$ 13.0	$ 99.2