Goodwill and Intangible Assets (Details 2) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Acquired identifiable intangible assets
Acquired identifiable intangible assets, net of accumulated amortization	$ 4,537,000	$ 1,834,000
Accumulated amortization	8,392,000	7,122,000
Amortization of intangible assets	1,200,000	800,000	900,000
Amortization Expense
2014	1,111,000
2015	768,000
2016	579,000
2017	537,000
2018	512,000
Total	3,507,000
Non-competition agreements
Acquired identifiable intangible assets
Acquired identifiable intangible assets, net of accumulated amortization	598,000	1,047,000
Accumulated amortization	3,802,000	3,311,000
Customer relationships
Acquired identifiable intangible assets
Acquired identifiable intangible assets, net of accumulated amortization	3,909,000	691,000
Accumulated amortization	3,550,000	2,840,000
Other intangible assets
Acquired identifiable intangible assets
Acquired identifiable intangible assets, net of accumulated amortization	30,000	96,000
Accumulated amortization	$ 1,040,000	$ 971,000