Weighted-Average Shares - Calculation of Weighted-Average Shares (Detail) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2016	Oct. 04, 2015	Oct. 02, 2016	Oct. 04, 2015
Earnings Per Share [Abstract]
Basic weighted-average common shares outstanding	85,460	86,303	85,167	86,756
Effect of dilutive stock options	1,886	1,473	1,638	1,803
Weighted-average common and common-equivalent shares outstanding	87,346	87,776	86,805	88,559