Fair Value - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 04, 2020	Jun. 29, 2019	Jul. 04, 2020	Jun. 29, 2019	Dec. 28, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value of assets, level 2 to level 3 transfers	$ 0	$ 0	$ 0	$ 0
Principal outstanding value	429,000,000		429,000,000		$ 379,000,000
2016 Credit Agreement [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value of current long-term debt	64,000,000.0		64,000,000.0		64,000,000.0
Principal outstanding value	64,000,000.0		64,000,000.0		64,000,000.0
2018 Senior Notes Due 2026 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value of current long-term debt	376,000,000.0		376,000,000.0		338,600,000
Principal outstanding value	$ 365,000,000.0		$ 365,000,000.0		$ 315,000,000.0