Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Remaining Performance Obligation (Details)

v3.21.2
REVENUE - Remaining Performance Obligation (Details)
$ in Millions
Sep. 30, 2021
USD ($)
Revenue from Contract with Customer [Abstract]  
Total remaining performance obligation $ 120.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01  
Revenue from Contract with Customer [Abstract]  
Total remaining performance obligation $ 31.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligation period 3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01  
Revenue from Contract with Customer [Abstract]  
Total remaining performance obligation $ 32.1
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligation period 2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01  
Revenue from Contract with Customer [Abstract]  
Total remaining performance obligation $ 20.7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligation period 2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-01-01  
Revenue from Contract with Customer [Abstract]  
Total remaining performance obligation $ 36.2
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Performance obligation period