Fair Value Measurements - Additional Information (Detail) - USD ($)		12 Months Ended
	Aug. 01, 2017	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016	Jun. 01, 2016
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
Contingent consideration in the event of certain operating results are achieved, period			2 years
Net carrying value of debt			$ 3,800,000,000	3,800,000,000
Scenario Forecast [Member] | Interest Expense - Net [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Reclassified from accumulated other comprehensive loss to interest expense		$ 400,000
Interest Rate Swap [Member]
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 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Interest Rate			4.07%
Debt instrument, maturity date			Jun. 27, 2023
Amended and Restated 2016 Term Loan [Member] | Interest Rate Swap [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Interest rate swap agreements term	4 years
Notional amount of debt hedged	$ 1,100,000,000
Notional amount of debt hedged	$ 825,000,000
Aggregate rate on notional amount	4.21%
Variable rate on notional amount	1.71%
Basis spread on variable rate on notional amount	2.50%
Net carrying value of debt			$ 1,100,000,000
Senior Notes [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Interest Rate			5.88%		8.50%
Debt instrument, maturity date			Jun. 15, 2024
Senior Notes [Member] | The 2016 Senior Notes [Member] | Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Interest Rate			5.875%
Debt instrument, maturity date			Jun. 15, 2024
Fair value of Senior Notes			$ 600,000,000	$ 600,000,000