Debt and Financing Lease Obligations - Revolving Credit Facility (Details) - USD ($)		6 Months Ended
	Jun. 05, 2020	Jul. 31, 2020	May 23, 2018
Line of Credit Facility [Line Items]
Original principal amount		$ 1,304,690,000
Line of Credit [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum capacity extended under credit facility			$ 650,000,000.0
Weighted-average interest rate		4.80%
Line of Credit [Member] | Revolving Credit Facility [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Unused capacity fee percentage	0.25%
Line of Credit [Member] | Revolving Credit Facility [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Unused capacity fee percentage	0.50%
Line of Credit [Member] | Revolving Credit Facility [Member] | LIBOR [Member]
Line of Credit Facility [Line Items]
Variable basis spread	1.00%
Line of Credit [Member] | Revolving Credit Facility [Member] | Alternate Base Rate [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Variable basis spread	2.00%
Line of Credit [Member] | Revolving Credit Facility [Member] | Alternate Base Rate [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Variable basis spread	2.75%
Line of Credit [Member] | Revolving Credit Facility [Member] | Federal Funds Rate [Member]
Line of Credit Facility [Line Items]
Variable basis spread	0.50%
Line of Credit [Member] | Letter of Credit [Member]
Line of Credit Facility [Line Items]
Original principal amount		$ 40,000,000.0
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Available borrowing capacity		409,700,000
Sub-facility for letters of credit		12,500,000
Minimum liquidity amount		125,000,000.0
Additional borrowing capacity		$ 163,900,000
Revolving Credit Facility [Member] | LIBOR [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Variable basis spread	3.00%
Revolving Credit Facility [Member] | LIBOR [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Variable basis spread	3.75%