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Income Taxes - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Income Taxes [Line Items]      
Tax and accrued interest related to uncertain tax positions $ (6.1) $ (0.6) $ (1.1)
Effective tax rate 28.10% 30.00% (27.10%)
Operating loss carryforwards, gross $ 0.1    
Indefinitely carryforward research and development credits 2.6    
Investment Tax Credit 0.4    
Foreign Tax Expense (Benefit), Business and Employment Actions $ 4.6 $ 1.3 $ 1.6
Earnings Per Share, Diluted, Effect of Foreign Tax Benefit Relating to Business and Employment Actions $ 0.09 $ 0.02 $ 0.03
Deferred income taxes $ 198.2    
Additional income tax expense 62.5    
Amount of unrecognized benefits affecting future tax rate 13.1 $ 7.2  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense 0.1 0.2 $ 0.1
Penalties and interest related to unrecognized tax benefits $ 1.2 $ 1.1