Stockholders' Equity - Additional Information (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2019	Dec. 28, 2018	Dec. 29, 2017	Dec. 30, 2016	Oct. 18, 2016	Oct. 20, 2015
Class of Stock [Line Items]
Preferred Stock, Shares Authorized		2,000,000	2,000,000
Preferred Stock, Par or Stated Value Per Share		$ 0.001	$ 0.001
Common Stock, Dividends, Per Share, Declared		$ 0.52	$ 0.42	$ 0.36
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 17,462,000
Net losses related to the re-issuance of treasury stock		$ 5,892,000	$ 5,667,000	$ 5,791,000
Purchase of treasury shares (in shares)		562,000	372,000	982,000
Purchase of treasury shares		$ 27,915,000	$ 11,931,000	$ 24,456,000
Stock Repurchase Program, Authorized Amount					$ 35,000,000	$ 35,000,000
Subsequent Event [Member]
Class of Stock [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.16
Dividends Payable, Date to be Paid	Mar. 22, 2019
Dividends Payable, Date of Record	Mar. 08, 2019
Dividends Payable, Date Declared	Jan. 31, 2019
Stock Repurchase Program, Authorized Amount	$ 75,000,000