Share Repurchase Program - Stock Repurchase and Issuance Activity (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 29, 2013
Shares
Cumulative balance, Shares, Beginning Balance	38,029
Issuance of Class A Common Stock, Shares	(335)
Cumulative balance, Shares, Ending Balance	37,694
Weighted Average Price Per Share
Cumulative balance, Weighted Average Price Per Share, Beginning Balance (in dollars per share)	$ 17.04
Issuance of Class A Common Stock, Weighted Average Price Per Share (in dollars per share)	$ 17.24
Cumulative balance, Weighted Average Price Per Share, Ending Balance (in dollars per share)	$ 17.04
Amount
Cumulative balance, Amount, Beginning Balance	$ 648,066
Issuance of Class A Common Stock, Amount	(5,775)
Cumulative balance, Amount, Ending Balance	$ 642,291