Consolidated Statements of Equity $ in Thousands	USD ($)
Beginning balance at Dec. 31, 2013	$ 265,213
Consolidated Statement of Equity [Roll Forward]
Net income	1,672
Issuance of membership interests, net	140
Ending balance at Dec. 30, 2014	267,025
Consolidated Statement of Equity [Roll Forward]
Net income	6,712
Issuance of membership interests, net	(48)
Ending balance at Dec. 29, 2015	273,689
Consolidated Statement of Equity [Roll Forward]
Net income	8,729
Adjustment to Parent	2,439
Repurchase of membership interests, net	(60)
Ending balance at Dec. 27, 2016	$ 284,797