Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 04, 2015
USD ($)
Jun. 28, 2014
USD ($)
Jul. 04, 2015
USD ($)
mo
Jun. 28, 2014
USD ($)
Dec. 31, 2014
USD ($)
Income Tax Disclosure [Abstract]          
Income tax provision from continuing operations $ 42.6 $ 44.8 $ 70.9 $ 70.8  
Discrete tax charges (benefits) $ (7.9) $ 0.1 $ (9.2) $ 0.5  
Effective tax rate from continuing operations 28.40% 34.00% 30.20% 34.20%  
Gross unrecognized tax benefits, including interest $ 5.2 $ 6.0 $ 5.2 $ 6.0 $ 5.1
Possible decrease of total amount of gross unrecognized tax benefits due to settlements with taxing authorities or lapses in the statute of limitations $ 0.4   $ 0.4    
Number of months from reporting date for possible decrease of total amount of gross unrecognized tax benefits | mo     12