Current report filing

EMPLOYEE BENEFIT PLANS, Defined Benefit Plan (Details)

v3.20.1
EMPLOYEE BENEFIT PLANS, Defined Benefit Plan (Details)
$ in Millions
3 Months Ended 5 Months Ended
Dec. 31, 2018
USD ($)
Mar. 31, 2020
USD ($)
Plan
Employee Benefit Plans [Abstract]    
Defined benefit plan, expected amortization | $   $ 0.0
Current estimates of cash contributions for pension plans required | $   $ 16.4
Judicial Ruling    
Employee Benefit Plans [Abstract]    
Additional pension liability | $ $ 2.9  
Unequal guaranteed minimum pension ruling, period, additional expense amortization 20 years  
Pension Plan | UK Pension Plan    
Employee Benefit Plans [Abstract]    
Number of original closed defined benefit pension plans | Plan   2
Minimum contribution match   5.00%
Number of other defined contribution plans | Plan   3
Number of other defined contribution plans closed to new members | Plan   2
Pension Plan | UK Pension Plan | Other Employee    
Employee Benefit Plans [Abstract]    
Closed plan maximum contribution   7.00%
Pension Plan | UK Pension Plan | Pilot    
Employee Benefit Plans [Abstract]    
Closed plan maximum contribution   7.35%
Pension Plan | UK Pension Plan | Maximum    
Employee Benefit Plans [Abstract]    
Defined benefit plan, average period salary   3 years
Defined benefit plan, rate of compensation increase   5.00%