Stockholders' Equity - Additional Information (Detail) - USD ($)	12 Months Ended
	Jan. 03, 2020	Dec. 28, 2018	Dec. 29, 2017	Jan. 31, 2019	Oct. 19, 2016
Stockholders Equity Note [Abstract]
Preferred Stock, Shares Authorized	2,000,000	2,000,000
Preferred Stock, Par or Stated Value Per Share	$ 0.001	$ 0.001
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Net losses related to the re-issuance of treasury stock	$ 5,146,000	$ 5,892,000	$ 5,667,000
Purchase of treasury shares (in shares)	342,000	562,000	372,000
Purchase of treasury shares	$ 21,957,000	$ 27,915,000	$ 11,931,000
Stock Repurchase Program, Authorized Amount				$ 75,000,000	$ 35,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 70,504,000