Stock Repurchase Program - Additional Information (Detail) (USD $)	9 Months Ended		3 Months Ended
	Sep. 28, 2014	Apr. 30, 2008 Common Stock Repurchase Program 2008	Sep. 28, 2014 Common Stock Repurchase Program 2011	Jun. 29, 2014 Common Stock Repurchase Program 2011	Mar. 30, 2014 Common Stock Repurchase Program 2011	Nov. 30, 2008 Common Stock Repurchase Program 2011	Apr. 29, 2014 Common Stock Repurchase Program 2014
Equity [Line Items]
Repurchase of authorized common stock		$ 50,000,000				$ 80,000,000	$ 50,000,000
Aggregate shares repurchased			1,824,000
Aggregate shares repurchased, value			63,048,000
Repurchase of shares during period			192,000	360,000	380,000
Repurchase of shares during period, value	$ 35,140,000		$ 8,136,000	$ 12,717,000	$ 14,287,000