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Pension and Other Postretirement Benefit Plans - Additional Information (Detail) - Pension - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Defined Benefit Plan Disclosure [Line Items]    
Employer's contribution towards defined benefit plan $ 4.1  
Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Estimated employer's contribution towards defined benefit plan in current year 10.0  
Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Estimated employer's contribution towards defined benefit plan in current year 15.0  
Foreign    
Defined Benefit Plan Disclosure [Line Items]    
Settlement loss $ 0.0 $ 0.8