Discontinued Operations (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended	12 Months Ended			3 Months Ended
	Nov. 02, 2014	Apr. 30, 2013	Mar. 31, 2013	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012 buyer	Jun. 24, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment charge associated with discontinued operations	$ 0
Number of buyers of divested business						2
Total cash and assumptions of liabilities for divested operations						800,000
Cash consideration received from divestiture		500,000				300,000
Impairment charge related to management's estimate of the fair value of the business			1,200,000
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenue				0	3,700,000	18,500,000
Loss before taxes				0	(5,300,000)	(1,800,000)
Benefit for income taxes				0	0	(300,000)
Net loss				0	(5,300,000)	(1,500,000)
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Accrued expenses and accounts payable				700,000	1,100,000
Other current liabilities				500,000	1,400,000
Current liabilities of discontinued operations				1,200,000	2,500,000
Other long-term liabilities of discontinued operations				0	200,000
Discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment charge associated with discontinued operations							$ 1,500,000