Debt Obligations - Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 25, 2016	Sep. 25, 2016	Jun. 26, 2016	Mar. 27, 2016	Dec. 27, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 25, 2016	Dec. 27, 2015	Dec. 28, 2014
Debt Disclosure [Abstract]
Interest expense									$ 39,487	$ 41,973	$ 51,877
Premium on debt repurchases									0	0	2,538
Amortization of debt costs and discount on debt									4,897	4,756	4,651
Capitalized interest									(559)	(338)	(152)
Interest income									(9,020)	(7,341)	(5,184)
Total interest expense, net	$ 7,850	$ 9,032	$ 9,097	$ 8,826	$ 7,955	$ 9,127	$ 9,776	$ 12,192	$ 34,805	$ 39,050	$ 53,730