XML 124 R108.htm IDEA: XBRL DOCUMENT v3.22.0.1
BENEFIT PLANS - ADDITIONAL INFORMATION (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]      
Employer matching contribution of first 1% of contribution 100.00%    
Employer matching contribution of next 5% of contribution 50.00%    
Employer maximum matching contribution 3.50%    
Defined contribution plan, cost recognized $ 39.0 $ 36.0 $ 35.0
Defined benefit plan, benefit obligation, period (increase) decrease for actuarial loss, discount rates 26.0 $ 31.0  
Defined benefit plan, benefit obligation, period (increase) decrease for actuarial loss, demographic assumptions 6.0    
Defined benefit plan, benefit obligation, period (increase) decrease for actuarial loss, discount rates, plan experience different than anticipated $ 16.0    
Expected return on plan assets 2.00%    
Percentage of total plan assets categorized as level 1 78.00% 78.00%  
Expected contributions to defined benefit pension plans in 2022 $ 17.0    
Minimum | Defined Benefit Plan, Equity Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation for plan asset of equity securities 30.00%    
Minimum | Fixed Income Securities      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation for plan asset of equity securities 30.00%    
Minimum | Real Estate      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation for plan asset of equity securities 0.00%    
Minimum | Other Investments      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation for plan asset of equity securities 0.00%    
Maximum | Defined Benefit Plan, Equity Securities [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation for plan asset of equity securities 65.00%    
Maximum | Fixed Income Securities      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation for plan asset of equity securities 65.00%    
Maximum | Real Estate      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation for plan asset of equity securities 15.00%    
Maximum | Other Investments      
Defined Benefit Plan Disclosure [Line Items]      
Target allocation for plan asset of equity securities 25.00%    
Common Stock      
Defined Benefit Plan Disclosure [Line Items]      
ESOP target contribution 3.00%