Income Taxes Income Taxes - Schedule of temporary differences (Details) (USD $)	Dec. 31, 2012	Dec. 30, 2011
Income Tax Disclosure [Abstract]
Accrued expenses	$ 609,000	$ 987,000
Accounts receivable	879,000	1,444,000
Inventories	(149,000)	(80,000)
Other	1,642,000	2,654,000
Valuation allowance	(2,921,000)	(3,990,000)
Total Current, net	(60,000)	(1,015,000)
Property, plant, and equipment	(24,714,000)	(26,141,000)
Customer relationships	(23,394,000)	(26,997,000)
Net operating losses	74,137,000	62,150,000
Other liabilities	316,000	3,676,000
Other	8,117,000	8,150,000
Valuation allowance	(54,813,000)	(42,333,000)
Total Non-current, net	(20,351,000)	(21,495,000)
Total, net	(20,291,000)	(20,480,000)
Deferred Tax Assets, Gross	88,300,000	70,500,000
Deferred Tax Liabilities, Gross	(50,900,000)	(44,700,000)
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	147,000,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	617,400,000
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 24,000,000