Derivative Financial Instruments (Details 2) (USD $)	3 Months Ended
	Apr. 04, 2015	Jan. 03, 2015
Derivative Financial Instruments
Gains or losses from the hedging instrument which was excluded from the assessment of effectiveness	$ 0
Other assets, net
Derivative financial instrument
Fair value of interest rate swap		331,000
Other non-current liabilities:
Derivative financial instrument
Fair value of interest rate swap	$ 165,000