CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended	9 Months Ended		12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 26, 2015	Dec. 31, 2016
Cash Flows from Operating Activities:
Net Earnings (Loss)	$ 8,181,000	$ 14,263,000	$ 40,613,000	$ 28,108,000
Adjustments to Reconcile Net (Loss) Earnings to Net Cash Used in Operations:
Depreciation & Amortization		18,209,000	15,884,000
Gain on the Sale of Assets		149,000	(43,000)
Deferred Income Tax Expense (Benefit)		(3,637,000)	(966,000)
Impairment and Restructuring Provision		3,830,000	9,558,000
Earnings From Equity Investment	(333,000)	(500,000)	132,000
Changes in Operating Assets and Liabilities (Net of Acquisition):
Accounts Receivable		9,431,000	1,150,000
Inventories		(88,661,000)	(130,398,000)
Other Current Assets		4,619,000	15,739,000
Income Taxes		5,856,000	12,401,000
Accounts Payable, Accrued Expenses and Other Liabilities		26,732,000	23,465,000
Net Cash Used in Operations		(9,709,000)	(12,465,000)
Cash Flows from Investing Activities:
Additions to Property, Plant and Equipment		(23,389,000)	(6,396,000)
Proceeds from the Sale of Assets		123,000	156,000
Cash Paid for Acquisition (Net of Cash Acquired)		0	(23,784,000)
Purchase Equity Method Investment			0
Net Cash Used in Investing Activities		(23,266,000)	(30,024,000)
Cash Flow from Financing Activities:
Long-Term Borrowing		411,483,000	301,232,000
Payments on Long-Term Debt		(374,577,000)	(238,871,000)
Payments on Notes Payable		853,000	(9,501,000)
Other		(1,273,000)	143,000
Purchase of Treasury Stock		(1,841,000)	(2,081,000)
Dividends		(12,000)	(12,000)
Net Cash Provided by Financing Activities		34,633,000	50,910,000
Net Increase in Cash and Cash Equivalents		1,658,000	8,421,000
Cash and Cash Equivalents, Beginning of the Period		8,602,000	10,608,000	19,029,000
Cash and Cash Equivalents, End of the Period	10,260,000	10,260,000	$ 19,029,000	10,260,000
Noncash Transactions [Abstract]
Property, Plant and Equipment Purchased Under Capital Lease Obligations	$ 23,056,000	$ 23,056,000		$ 23,056,000