Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Detail) - shares	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Oct. 01, 2016	Oct. 03, 2015
Earnings Per Share [Abstract]
Weighted-average common shares outstanding	58,013,852	58,084,784	58,076,627	58,110,620
Effect of dilutive securities	1,251,062	998,920	1,292,765	987,865
Weighted-average common shares outstanding, assuming dilution	59,264,914	59,083,704	59,369,392	59,098,485