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Pension and Other Postretirement Benefit Plans - Components of Net Periodic Benefit Costs (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 26, 2015
Sep. 27, 2014
U.S. pension        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost $ 1.1 $ 0.9 $ 3.5 $ 2.7
Interest cost 7.2 7.2 21.5 21.4
Expected return on plan assets (9.9) (9.6) (29.6) (28.6)
Amortization of actuarial (gain) loss 0.7 (0.1) 2.0 (0.2)
Curtailment loss 0.0 0.0 0.0 0.0
Settlement loss 0.1 0.0 0.2 0.1
Net periodic benefit cost (credit) (0.8) (1.6) (2.4) (4.6)
Foreign pension        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 1.8 2.2 6.5 6.5
Interest cost 4.1 5.1 13.0 15.4
Expected return on plan assets (6.3) (6.9) (20.3) (20.4)
Amortization of actuarial (gain) loss 1.0 0.4 3.2 1.0
Curtailment loss 0.0 0.0 7.7 0.0
Settlement loss 0.0 0.0 0.0 0.0
Net periodic benefit cost (credit) 0.6 0.8 10.1 2.5
U.S. other postretirement        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.0 0.0 0.1 0.1
Interest cost 0.8 1.0 2.3 3.0
Amortization of actuarial (gain) loss (0.3) (0.1) (0.9) (0.5)
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 (credit) 0.5 0.9 1.5 2.6
Foreign other postretirement        
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost 0.1 0.3 0.6 0.7
Interest cost 0.4 0.5 1.2 1.5
Amortization of actuarial (gain) loss 0.1 (0.1) 0.4 0.0
Amortization of prior service credit (0.1) (0.1) (0.2) (0.3)
Special termination benefits 0.0 0.2 0.0 0.4
Net periodic benefit cost (credit) $ 0.5 $ 0.8 $ 2.0 $ 2.3