v2.4.0.8
Income Taxes (Narrative) (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 29, 2013
Sep. 30, 2012
Sep. 29, 2013
Sep. 30, 2012
Income Tax Disclosure [Abstract]        
Income tax provision $ 10,364,000 $ 9,920,000 $ 26,053,000 $ 30,418,000
Provision for income taxes (in percentage) 41.80% 29.40% 37.30% 30.20%
Non recurring tax benefits (expenses), related to changes in estimates     780,000  
Income Tax Reconciliation, Tax Credits, Research     822,000  
Possible reduction in liabilities for uncertain tax positions $ 5,500,000   $ 5,500,000