Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Face (par) amount of the original debt instrument that was repurchased.

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Amount, after accumulated amortization, of debt discount.

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

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Narrative (Details) - USD ($)				3 Months Ended		6 Months Ended
	Sep. 16, 2020	Aug. 31, 2020	Aug. 15, 2020	Sep. 12, 2020	Sep. 07, 2019	Sep. 12, 2020	Sep. 07, 2019	Sep. 11, 2020	Feb. 29, 2020
Debt Instrument [Line Items]
Unamortized debt discounts				$ 40,000,000.0		$ 40,000,000.0			$ 41,300,000
Deferred financing costs				74,800,000		74,800,000			72,900,000
Make-whole premium in debt extinguishment						41,400,000	$ 0
Loss on debt extinguishment				49,100,000	$ 23,100,000	49,100,000	$ 65,800,000
Outstanding balance on letters of credit				40,100,000		40,100,000			90,300,000
Senior Notes
Debt Instrument [Line Items]
Repurchased face amount of debt instrument								$ 60,000,000
Make-whole premium in debt extinguishment		$ 41,400,000
Loss on debt extinguishment		49,100,000
Write-off of deferred financings costs		7,700,000
Senior Unsecured Notes, Maturity 2026 \| Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument		$ 750,000,000.0
Stated interest rate percentage		3.25%
Senior Unsecured Notes Maturity 2029 \| Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument		$ 750,000,000.0
Stated interest rate percentage		3.50%
Senior Unsecured Notes, Maturity 2024 \| Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument								$ 1,250,000,000.0
Stated interest rate percentage								6.625%
Senior Unsecured Notes, Maturity 2025 \| Senior Notes \| Subsequent Event
Debt Instrument [Line Items]
Face amount of debt instrument	$ 1,250,000,000.0
Stated interest rate percentage	5.75%
Repayments of debt	$ 250,000,000.0
Asset-Based Loan Facility \| Line of Credit
Debt Instrument [Line Items]
Outstanding balance on line of credit				0		0			0
LOC Sub-facility
Debt Instrument [Line Items]
Outstanding balance on letters of credit				$ 367,300,000		$ 367,300,000			$ 454,500,000
Safeway Notes Maturity 2020 \| Notes Payable
Debt Instrument [Line Items]
Stated interest rate percentage				3.95%		3.95%
Repayments of debt			$ 136,800,000