v3.7.0.1
Pension Plans Funded Status of Non-U.S. Plans (Detail) - Foreign Pension Plan [Member] - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2017
Apr. 01, 2016
Dec. 31, 2016
Dec. 31, 2015
Change in pension benefit obligation:        
Benefit obligation at beginning of year $ 335.4 $ 326.9 $ 326.9 $ 375.1
Service cost 1.0 0.8 3.5 4.9
Interest cost 1.4 1.9 7.4 8.4
Employee contributions     1.5 1.1
Benefits paid and other     (12.8) (10.4)
Plan combinations/acquisitions     2.8 (5.9)
Actuarial loss (gain)     32.2 (17.0)
Amendments, settlements and curtailments     (1.6) (1.7)
Foreign exchange rate impact     (24.5) (27.6)
Benefit obligation at end of year     335.4 326.9
Change in plan assets:        
Fair value of plan assets at beginning of year $ 198.1 $ 196.7 196.7 214.9
Actual return on plan assets     17.9 (0.4)
Employer contributions     10.7 10.8
Employee contributions     1.5 1.1
Amendments and settlements     (0.5) (1.7)
Benefits paid and other     (12.8) (10.4)
Plan combinations/acquisitions     1.8 (3.4)
Foreign exchange rate impact     (17.2) (14.2)
Fair value of plan assets at end of year     198.1 196.7
Funded status     $ (137.3) $ (130.2)