Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jul. 01, 2018	Jul. 02, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 3,256,000	$ 11,292,000
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	52,065,000	55,928,000
Deferred income taxes	(3,626,000)	(3,589,000)
Stock-based compensation expense	227,000	336,000
Amortization of lease related liabilities	(508,000)	(237,000)
Amortization of original issue discount and deferred debt financing costs	2,226,000	2,273,000
Loss on asset disposals, net	2,038,000	3,716,000
Asset Impairment Charges	1,591,000	0
Noncash Rent Expense	2,931,000	2,101,000
Other adjustments	348,000	9,000
Changes in operating assets and liabilities:
Increase (Decrease) in Receivables	2,380,000	2,770,000
Inventories	1,314,000	(7,453,000)
Prepaid expenses	(7,430,000)	(2,587,000)
Accounts payable	1,439,000	8,031,000
Accrued expenses	1,134,000	(3,090,000)
Other liabilities	(1,089,000)	2,905,000
Income taxes (receivable) payable	14,000	54,000
Increase (Decrease) in Income Taxes Payable	4,964,000	2,933,000
Increase (Decrease) in Deferred Landlord Contributions	1,751,000	1,210,000
Net Cash Provided by (Used in) Operating Activities	65,025,000	76,602,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(36,808,000)	(47,045,000)
Payments to Develop Software	(1,022,000)	(2,075,000)
Proceeds from Sale of Property, Plant, and Equipment	412,000	237,000
Net cash used in investing activities	(37,418,000)	(48,883,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of Notes Payable	0	(13,000)
Repayments on senior term loan	(3,800,000)	(3,800,000)
Repayments on note payable		(13,000)
Sale Leaseback Transaction, Gross Proceeds, Financing Activities	0	4,073,000
Payments of Financing Costs	395,000	0
Payments on capital lease obligations	(295,000)	(218,000)
Sale Leaseback Transaction, Payments, Financing Activities	(1,384,000)	(1,161,000)
Excess tax benefit realized from stock-based compensation		1,447,000
Adjustments to Additional Paid in Capital, Other	0	1,447,000
Net cash used in financing activities	(5,874,000)	328,000
Effect of foreign exchange rate changes on cash	49,000	239,000
Change in cash, cash equivalents and restricted cash	21,782,000	28,286,000
Cash, cash equivalents and restricted cash at beginning of period	67,312,000	61,291,000
Cash, cash equivalents and restricted cash at end of period	89,094,000	89,577,000
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	35,906,000	31,861,000
Income taxes paid, net	421,000	7,716,000
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Accrued construction costs	$ 1,352,000	$ 2,214,000