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GOODWILL AND OTHER INTANGIBLE ASSETS, Other Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Mar. 31, 2024
Other Intangible Assets [Abstract]          
Gross carrying amount $ 178,989   $ 178,989   $ 120,480
Accumulated amortization (84,927)   (84,927)   (76,595)
Net carrying amount 94,062   94,062   43,885
Customer Relationships [Member]          
Other Intangible Assets [Abstract]          
Gross carrying amount 167,515   167,515   117,682
Accumulated amortization (82,054)   (82,054)   (73,870)
Net carrying amount $ 85,461   $ 85,461   43,812
Customer Relationships [Member] | Minimum [Member]          
Other Intangible Assets [Abstract]          
Estimated useful life 5 years   5 years    
Customer Relationships [Member] | Maximum [Member]          
Other Intangible Assets [Abstract]          
Estimated useful life 10 years   10 years    
Trade Name and Other [Member]          
Other Intangible Assets [Abstract]          
Gross carrying amount $ 11,474   $ 11,474   2,798
Accumulated amortization (2,873)   (2,873)   (2,725)
Net carrying amount $ 8,601   $ 8,601   73
Trade Name and Other [Member] | Minimum [Member]          
Other Intangible Assets [Abstract]          
Estimated useful life 5 years   5 years    
Trade Name and Other [Member] | Maximum [Member]          
Other Intangible Assets [Abstract]          
Estimated useful life 10 years   10 years    
Purchased Intangibles [Member]          
Other Intangible Assets [Abstract]          
Total amortization expense $ 4,400 $ 4,000 $ 8,200 $ 7,500  
Capitalized Software Development [Member]          
Other Intangible Assets [Abstract]          
Net carrying amount $ 100   $ 100   $ 200