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Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Costs (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 01, 2017
Jul. 02, 2016
Jul. 01, 2017
Jul. 02, 2016
Pension | U.S.        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost $ 1.2 $ 1.4 $ 2.5 $ 2.8
Interest cost 5.5 7.5 10.9 14.9
Expected return on plan assets (7.2) (9.5) (14.4) (19.0)
Amortization of actuarial loss 0.7 0.7 1.3 1.4
Settlement loss 0.0 0.0 0.2 0.2
Net periodic benefit cost 0.2 0.1 0.5 0.3
Pension | Foreign        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 1.8 1.7 3.5 3.2
Interest cost 3.4 4.2 7.2 8.1
Expected return on plan assets (5.5) (6.0) (11.1) (11.6)
Amortization of actuarial loss 1.3 0.8 2.5 1.5
Settlement loss 0.0 0.0 0.8 0.0
Net periodic benefit cost 1.0 0.7 2.9 1.2
Other postretirement | U.S.        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.1 0.1 0.1 0.1
Interest cost 0.6 0.7 1.2 1.5
Amortization of actuarial loss (0.7) (0.3) (1.3) (0.6)
Amortization of prior service credit 0.0 0.0 0.0 0.0
Special termination benefits 0.0 0.0 0.0 0.0
Net periodic benefit cost 0.0 0.5 0.0 1.0
Other postretirement | Foreign        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.2 0.1 0.3 0.3
Interest cost 0.4 0.4 0.8 0.8
Amortization of actuarial loss 0.0 0.0 0.1 0.1
Amortization of prior service credit (0.1) (0.1) (0.2) (0.2)
Special termination benefits 0.1 0.3 0.1 0.3
Net periodic benefit cost $ 0.6 $ 0.7 $ 1.1 $ 1.3