Income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Jan. 01, 2012	Jan. 02, 2011
Income Taxes Additional (Textual) [Abstract]
U.S federal income tax rate	35.00%
Valuation allowance related to deferred tax assets	$ 13.5	$ 8.0
Increase in valuation allowance	5.5
Accumulated undistributed earnings invested	23.7
Additional taxes (net of foreign tax credits)	0.5
Foreign operating losses carry forward	16.0
State tax credits	6.7
Deferred tax asset net of valuation allowance	2.7
Unrecognized tax benefits, net	17
Decrease in unrecognized tax benefits	0.5
Recognized tax benefits that will reduce company's tax rate	17
Tax exposure by sustaining disallowed deduction			15.4
Interest and penalties recognized	0	0	(0.8)
Accrued income tax examination penalties and interest	0.4	0.4
State and Local Jurisdiction [Member]
Income Taxes (Textual) [Abstract]
Federal net operating loss carryforwards	110.9
Expiration date of operating loss carryforwards	2013
Domestic Country [Member]
Income Taxes (Textual) [Abstract]
Federal net operating loss carryforwards	$ 37.0
Expiration date of operating loss carryforwards	2022