Fair Value - Additional Information (Detail) - USD ($)	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value of assets, level 1 to level 2 or level 3 transfers	$ 0	$ 0	$ 0
Principal outstanding value	419,000,000	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	54,000,000.0	64,000,000.0
Principal outstanding value	54,000,000.0	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	387,800,000	338,600,000
Principal outstanding value	$ 365,000,000.0	$ 315,000,000.0