Share Repurchases - Additional Information (Detail) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	6 Months Ended				3 Months Ended	6 Months Ended	36 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Nov. 30, 2012	Jul. 31, 2011	Jun. 29, 2014 Share Repurchase Program [Member]	Jun. 29, 2014 Share Repurchase Program [Member]	Jun. 29, 2014 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Purchase of common stock			$ 200,000,000	$ 150,000,000
Repurchase of shares					400	400	5,800
Payments under share repurchase program	$ 31,197,000	$ 62,500,000			$ 31,200,000	$ 31,200,000	$ 249,900,000
Repurchase of shares average price per share					$ 73.50	$ 73.50	$ 42.77