Annual report pursuant to Section 13 and 15(d)

BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets by Type (Details)

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BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Intangible Assets by Type (Details) - USD ($)
$ in Thousands
 5 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2021
Finite-lived Intangible Assets [Roll Forward]    
Intangible assets - beginning balance $ 0 $ 130,027
Additions 134,838 14,423
Translation (4,811) 11,231
Intangible assets - ending balance 130,027 155,681
Accumulated amortization of intangible assets - beginning balance 0 (18,754)
Amortization expense (18,754) (28,141)
Accumulated amortization of intangible assets - ending balance (18,754) $ (46,895)
Weighted average remaining contractual life, in years   7 years 10 months 24 days
U.K. SAR customer contract    
Finite-lived Intangible Assets [Roll Forward]    
Intangible assets - beginning balance 0 $ 55,706
Additions 58,000 0
Translation (2,294) 5,542
Intangible assets - ending balance 55,706 61,248
Accumulated amortization of intangible assets - beginning balance 0 (3,251)
Amortization expense (3,251) (7,969)
Accumulated amortization of intangible assets - ending balance (3,251) $ (11,220)
Weighted average remaining contractual life, in years   6 years
U.K. SAR customer contract | Reorganization Chapter 11 Fresh Start Adjustment    
Finite-lived Intangible Assets [Roll Forward]    
Intangible assets - beginning balance 58,000  
PBH    
Finite-lived Intangible Assets [Roll Forward]    
Intangible assets - beginning balance 0 $ 74,321
Additions 76,838 14,423
Translation (2,517) 5,689
Intangible assets - ending balance 74,321 94,433
Accumulated amortization of intangible assets - beginning balance 0 (15,503)
Amortization expense (15,503) (20,172)
Accumulated amortization of intangible assets - ending balance (15,503) $ (35,675)
Weighted average remaining contractual life, in years   10 years 9 months 18 days
PBH | Reorganization Chapter 11 Fresh Start Adjustment    
Finite-lived Intangible Assets [Roll Forward]    
Intangible assets - beginning balance $ 76,800