Discontinued Operations (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012	Dec. 30, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Common Stock Dividends, Shares		1
Assets, Net					$ 0
Revenues		0		175,364,000
Income (loss) from discontinued operations before income taxes		(107,000)		(851,000)
Income (loss) from discontinued operations, net of income taxes	0	(2,000)	0	42,000
Administrative Costs, Fees for Services under Transition Services Agreement	$ 600,000	$ 1,500,000	$ 3,000,000	$ 2,600,000
Parent [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Common Stock Dividends, Shares		1