Income Taxes (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Income Taxes [Abstract]
Effective tax rate (in hundredths)	26.00%	33.00%
U.S. production activities deduction	$ 1,200,000
Decreases in tax contingencies	900,000
Decreases in valuation allowances	800,000
Effect of foreign tax rates lower than statutory tax rates and other foreign adjustments	2,600,000
Provision for state income taxes, net of the federal benefit	1,300,000
Unrecognized tax benefits	1,000,000
Total unrecognized tax benefits including derecognized deferred tax assets	3,900,000
Unrecognized tax benefits accrued interest and penalties	300,000
Estimated impact the effective tax rate, if recognized	$ 1,100,000