Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest in Subsidiary [Member]
Beginning balance at Mar. 31, 2022	$ 2,682,594	$ 7	$ 2,421,950	$ 233,530	$ (21,621)	$ 48,728
Beginning balance, shares at Mar. 31, 2022		74,428,816
Issuance of stock under Employee Stock Purchase Plan	9,626		9,626
Issuance of stock under Employee Stock Purchase Plan, shares		369,712
Stock-based compensation	74,865		74,865
Shares issued in settlement of certain accrued employee compensation liabilities	27,619	$ 1	27,618
Shares issued in settlement of certain accrued employee compensation liabilities, shares		719,989
RSU awards vesting, net of shares withheld for taxes which have been retired	(15,921)		(15,921)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		854,588
Other noncontrolling interest activity	(30,089)		(11,783)			(18,306)
Net income (loss)	(109,020)			(112,032)		3,012
Other comprehensive income (loss), net of tax	(17,486)				(17,486)
Ending balance at Dec. 31, 2022	2,622,188	$ 8	2,506,355	121,498	(39,107)	33,434
Ending balance, shares at Dec. 31, 2022		76,373,105
Beginning balance at Sep. 30, 2022	2,628,191	$ 8	2,496,783	163,726	(63,957)	31,631
Beginning balance, shares at Sep. 30, 2022		75,585,221
Stock-based compensation	24,661		24,661
RSU awards vesting, net of shares withheld for taxes which have been retired	(15,089)		(15,089)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		787,884
Net income (loss)	(40,425)			(42,228)		1,803
Other comprehensive income (loss), net of tax	24,850				24,850
Ending balance at Dec. 31, 2022	2,622,188	$ 8	2,506,355	121,498	(39,107)	33,434
Ending balance, shares at Dec. 31, 2022		76,373,105
Beginning balance at Mar. 31, 2023	3,860,569	$ 8	2,540,679	1,318,336	(34,713)	36,259
Beginning balance, shares at Mar. 31, 2023		76,912,016
Exercise of stock options	82		82
Exercise of stock options, shares		2,633
Issuance of stock under Employee Stock Purchase Plan	10,048		10,048
Issuance of stock under Employee Stock Purchase Plan, shares		382,062
Stock-based compensation	74,232		74,232
Shares issued in settlement of certain accrued employee compensation liabilities	31,173		31,173
Shares issued in settlement of certain accrued employee compensation liabilities, shares		687,851
RSU awards vesting, net of shares withheld for taxes which have been retired	(11,220)		(11,220)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		972,028
Shares issued in connection with acquisition of business	2,123,455	$ 5	2,123,450
Shares issued in connection with acquisition of business, net of issuance costs , shares		46,363,636
Other noncontrolling interest activity	(99)					(99)
Net income (loss)	(962,014)			(968,641)		6,627
Other comprehensive income (loss), net of tax	19,569				19,569
Ending balance at Dec. 31, 2023	5,145,795	$ 13	4,768,444	349,695	(15,144)	42,787
Ending balance, shares at Dec. 31, 2023		125,320,226
Beginning balance at Sep. 30, 2023	5,227,703	$ 13	4,752,694	474,094	(36,835)	37,737
Beginning balance, shares at Sep. 30, 2023		124,481,293
Stock-based compensation	24,405		24,405
RSU awards vesting, net of shares withheld for taxes which have been retired	(8,655)		(8,655)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		838,933
Net income (loss)	(119,349)			(124,399)		5,050
Other comprehensive income (loss), net of tax	21,691				21,691
Ending balance at Dec. 31, 2023	$ 5,145,795	$ 13	$ 4,768,444	$ 349,695	$ (15,144)	$ 42,787
Ending balance, shares at Dec. 31, 2023		125,320,226