Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 28, 2014
Allowance for Doubtful Accounts	$ 6,231	$ 7,313
Preferred stock par value	$ 0.001	$ 0.001
Preferred stock authorized shares	40,000,000	40,000,000
Preferred stock issued shares	0	0
Preferred stock outstanding shares	0	0
Treasury Stock, Shares	4,064,125	975,594
Class A Common Stock
Common stock, par value	$ 0.001	$ 0.001
Common stock, authorized shares	1,000,000,000	1,000,000,000
Common stock, issued shares	99,949,057	95,708,401
Common stock, outstanding shares	95,884,932	94,732,807
Class B Common Stock
Common stock, par value	$ 0.001	$ 0.001
Common stock, authorized shares	1,000,000,000	200,000,000
Common stock, issued shares	36,674	2,438,083
Common stock, outstanding shares	36,674	2,438,083