Derivative Financial Instruments (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2012 Agreement	Jan. 01, 2012 Agreement	Jan. 02, 2011
Derivative Financial Instruments (Additional Textual) [Abstract]
Amortization period of interest rate swap agreements	27 months
Reduction in interest expense	$ 1.1	$ 1.2	$ 1.2
Reduction in interest expense in year 2013	0.5
Reduction in interest expense in year 2014	0.6
Reduction in interest expense in year 2015	0.1
Outstanding interest rate swap agreements	0	0
27 months [Member]
Derivative Financial Instruments (Textual) [Abstract]
Gains from terminated interest rate swap agreements to be amortized	$ 0.6