CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net Income (loss)	$ (30,249,000)	$ (20,783,000)	$ 10,561,000
Change in fair value of interest rate swaps, net of tax		62,000	110,000
Settlement of interest rate swaps, net of tax		72,000
Comprehensive income (loss)	$ (30,249,000)	$ (20,649,000)	$ 10,671,000