Income Taxes Income tax (benefit) expense (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Tax benefits included in unrecognized tax benefit	$ 600,000	$ 2,200,000
Net loss carryforward state tax credits	1,300,000
Valuation Allowance, Amount	22,494,000	26,032,000
Federal	3,536,000	5,324,000	4,419,000
State	195,000	473,000	914,000
Foreign	412,000	79,000	(136,000)
Current taxes payable	4,143,000	5,876,000	5,197,000
Federal	194,000	3,202,000	(5,505,000)
State	2,937,000	197,000	(8,036,000)
Foreign	198,000	463,000	(2,538,000)
Deferred taxes (benefit)	3,329,000	3,862,000	(16,079,000)
Income Tax Expense (Benefit)	7,472,000	9,738,000	(10,882,000)
Federal income tax net loss carryforwards	0
State income tax net loss carryforwards	13,500,000
Foreign net loss carryforwards	$ 1,900,000