Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v2.4.0.6
Income Taxes (Details) (USD $)
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Dec. 31, 2012
Income Tax Disclosure [Abstract]      
Income tax provision from continuing operations $ 21,900,000 $ 10,900,000  
Valuation allowance adjustments 11,100,000 1,000,000  
Effective tax rate from continuing operations 28.50% 18.80%  
Gross unrecognized tax benefits, including interest 24,100,000   27,800,000
Possible decrease of total amount of gross unrecognized tax benefits due to settlements with taxing authorities or lapses in the statute of limitations 16,000,000    
Number months from reporting date for possible decrease of total amount of gross unrecognized tax benefits 12    
Interest accrued related to unrecognized tax benefits 3,200,000   3,100,000
Amounts accrued for penalties for unrecognized tax benefits $ 0   $ 0