Share Repurchase Program - Stock Repurchase and Issuance Activity (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014
Equity [Abstract]
Treasury Stock, Shares, Acquired	8,032
Treasury Stock Acquired, Average Cost Per Share	$ 25.60
Payments for Repurchase of Common Stock	$ 205,608	$ 0
Shares
Cumulative balance, Shares, Beginning Balance	37,349
Issuance of Class A Common Stock, Shares	(147)
Cumulative balance, Shares, Ending Balance	45,234
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)	16.77
Cumulative balance, Weighted Average Price Per Share, Ending Balance (in dollars per share)	$ 18.56
Amount
Cumulative balance, Amount, Beginning Balance	$ 636,493
Issuance of Class A Common Stock, Amount	(2,577)
Cumulative balance, Amount, Ending Balance	$ 839,524