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EMPLOYEE BENEFIT PLANS - Narrative (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Number of shares held on behalf of participants (in shares) 495,274 551,482
Market value of the shares held on behalf of participants $ 40.3 $ 45.8
United States | Defined Benefit Pension Plans    
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Aggregate accumulated benefit obligation 43.3 44.5
Contribution to the plan $ 0.0  
United States | Defined Benefit Pension Plans | Equity security funds    
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Target asset allocation (as a percent) 55.00%  
United States | Defined Benefit Pension Plans | Debt security funds and other    
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Target asset allocation (as a percent) 45.00%  
United States | Other Postretirement Benefits Plans    
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Assumed health care cost trend rate, initial rate (as a percent) 6.30%  
Assumed health care cost trend rate, ultimate rate (as a percent) 4.50%  
Effect of 1% point increase on service and interest cost components (less than) $ 0.1  
Effect of 1% point increase on accumulated postretirement benefit obligation 0.1  
Effect of 1% point decrease on service and interest cost components (less than) 0.1  
Effect of 1% point decrease on accumulated postretirement benefit obligation 0.1  
Foreign Plan | Defined Benefit Pension Plans    
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Aggregate accumulated benefit obligation 344.3 $ 312.2
Contribution to the plan $ 7.3  
Foreign Plan | Defined Benefit Pension Plans | Equity security funds    
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Target asset allocation (as a percent) 30.00%  
Foreign Plan | Defined Benefit Pension Plans | Debt security funds and other    
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Target asset allocation (as a percent) 40.00%  
Foreign Plan | Defined Benefit Pension Plans | Other Investments    
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Target asset allocation (as a percent) 30.00%  
Foreign Plan | Other Postretirement Benefits Plans    
Defined Benefit Plans And Other Postretirement Benefit Plans [Line Items]    
Assumed health care cost trend rate, initial rate (as a percent) 6.23%  
Assumed health care cost trend rate, ultimate rate (as a percent) 4.50%  
Effect of 1% point increase on service and interest cost components (less than) $ 0.1  
Effect of 1% point increase on accumulated postretirement benefit obligation 0.3  
Effect of 1% point decrease on service and interest cost components (less than) 0.1  
Effect of 1% point decrease on accumulated postretirement benefit obligation $ 0.3