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Income Taxes (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Dec. 30, 2017
Income Tax Disclosure [Abstract]          
Effective tax rate 12.00% 27.00% 20.00% 29.00%  
Adjustment to provisional tax calculation $ (4.3)   $ (4.3)    
Adjustment to provisional tax calculation, effect on diluted earnings per share (in dollars per share) $ 0.07   $ 0.07    
Provision for state income taxes, net of federal benefits $ 0.7   $ 3.3 $ 1.7  
Increase in valuation allowance $ 1.5   $ 1.5    
Increase in valuation allowance, effect on diluted earnings per share (in dollars per share) $ 0.03   $ 0.03    
Reduction for U.S. production activities   $ 0.6   2.4  
Tax benefit of foreign adjustments   1.6 $ 0.8 4.6  
Impact of investments in unconsolidated affiliates $ 0.7   4.4 0.9  
Global intangible low-taxed income expense     $ 0.8    
Tax benefit of equity compensation deductions   $ 0.5   $ 2.2  
One-time transition tax liability 8.6       $ 12.9
Provisional tax benefit $ 12.1       $ 12.1