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RETIREMENT BENEFITS - Additional Information (Detail)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
USD ($)
plan
Investment
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Defined Benefit Plan Disclosure [Line Items]      
Domestic pension plans, funded percentage 115.00% 116.00%  
Number of plans | plan 3    
Contributions $ 3,761 $ 4,785 $ 5,292
Defined contribution plans contributions charged to expense $ 15,200 $ 14,400 $ 12,000
Target allocation (in percentage) 100.00%    
Plan assets held under management by single investment company 99.00%    
Number of commingled debt and equity index funds | Investment 6    
Number of asset funds individually in excess of ten percent of total plan assets | Investment 4    
Maximum      
Defined Benefit Plan Disclosure [Line Items]      
Multi employer funded status 65.00% 65.00%  
Foreign Plan      
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligations in excess of plan assets, projected benefit obligation $ 140,800 $ 109,000  
Accumulated benefit obligations in excess of plan assets, accumulated benefit obligation $ 134,900 $ 103,900  
Benefit obligation discount rate (in percentage) 1.10% 1.50%  
Rate of compensation increase (in percentage) 3.20% 3.30%  
Net periodic benefit cost discount rate 1.50% 2.20% 2.10%
Net periodic benefit cost rate of compensation increase 3.30% 3.30% 3.30%
Pension Benefits      
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation, pension benefit plans $ 942,600 $ 828,000  
Equity Securities      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation (in percentage) 58.00%    
Debt securities      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation (in percentage) 42.00%    
Equity securities—U.S.      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation (in percentage) 49.00%    
Equity securities, target allocation as percentage of total equity securities 85.00%