Income Taxes - Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Current:
Federal	$ 148	$ 358	$ 119
State	3	(151)	5
Foreign	2,266	1,327	933
Total current	2,417	1,534	1,057
Deferred:
Federal	190	17,368	(10,686)
State	3	550	(325)
Foreign	53	45	535
Total deferred	246	17,963	(10,476)
Provision (benefit) for income taxes	$ 2,663	$ 19,497	$ (9,419)