Fair Value Measurements - Additional Information (Detail) - USD ($)		6 Months Ended	12 Months Ended
	Aug. 01, 2017	Jun. 30, 2018	Jun. 30, 2019	Dec. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Transfers of assets from level 1 to level 2		$ 0		$ 0
Transfers of assets from level 2 to level 1		0		0
Transfers of liabilities from level 1 to level 2		0		0
Transfers of liabilities from level 2 to level 1		0		0
Transfers of assets into level 3		0		0
Transfers of assets out of level 3		0		0
Transfers of liabilities into level 3		0		0
Transfers of liabilities out of level 3		0		0
Total debt fair value debt		3,600,000,000		3,800,000,000
Scenario, Forecast
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Reclassified from accumulated other comprehensive loss to income			$ 7,000,000
Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amount of company's other indebtedness		$ 75,000,000
Amended and Restated 2016 Term Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate		4.09%
Amended and Restated 2016 Term Loan | Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Notional Amount Term	4 years
Notional amount of debt hedged	$ 1,100,000,000.0
Notional amount of debt hedged	$ 825,000,000
Aggregate rate on notional amount		3.71%
Variable rate on notional amount	1.71%
Basis spread on variable rate on notional amount	2.00%
Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate		5.88%
Senior Notes | The 2016 Senior Notes | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate		5.875%
Fair value of Senior Notes		$ 600,000,000		$ 600,000,000