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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands, € in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) segment	Sep. 30, 2021 USD ($)	Sep. 30, 2022 EUR (€)	Mar. 31, 2022 USD ($)	Sep. 30, 2021 EUR (€)
Related Party Transaction [Line Items]
Number of business segments \| segment			3
Reduction to retained earnings	$ 1,446,668		$ 1,446,668			$ 1,443,705
Retained earnings	981,204		981,204			$ 922,223
Provision for income taxes	23,537	$ 43,583	$ 28,576	$ 65,400
Foreign Currency Forward Contract \| United Kingdom, Pounds
Related Party Transaction [Line Items]
Aggregate notional value of foreign currency forward contract \| €					€ 7.5
Foreign Currency Forward Contract \| Euro Member Countries, Euro
Related Party Transaction [Line Items]
Aggregate notional value of foreign currency forward contract \| €					€ 0.5		€ 1.7
Other operating expenses \| Foreign Currency Forward Contract
Related Party Transaction [Line Items]
Fair value gains (losses) included in other operating expenses	$ (232)	$ (7)