Condensed Consolidated Statements of Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest in Subsidiary [Member]
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, net of issuance costs	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
Beginning balance at Mar. 31, 2024	5,072,504	$ 13	4,797,253	249,432	(21,268)	47,074
Beginning balance, shares at Mar. 31, 2024		125,849,088
Issuance of stock under Employee Stock Purchase Plan	9,657		9,657
Issuance of stock under Employee Stock Purchase Plan, shares		561,888
Stock-based compensation	69,335		69,335
Shares issued in settlement of certain accrued employee compensation liabilities	28,063		28,063
Shares issued in settlement of certain accrued employee compensation liabilities, shares		1,755,074
RSU awards vesting, net of shares withheld for taxes which have been retired	(5,208)		(5,208)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		952,957
Other noncontrolling interest activity	(85)					(85)
Net income (loss)	(290,390)			(328,909)		38,519
Other comprehensive income (loss), net of tax	(37,747)				(37,747)
Ending balance at Dec. 31, 2024	4,846,129	$ 13	4,899,100	(79,477)	(59,015)	85,508
Ending balance, shares at Dec. 31, 2024		129,119,007
Beginning balance at Sep. 30, 2024	5,009,480	$ 13	4,878,615	78,936	(22,086)	74,002
Beginning balance, shares at Sep. 30, 2024		128,394,327
Stock-based compensation	23,298		23,298
RSU awards vesting, net of shares withheld for taxes which have been retired	(2,813)		(2,813)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		724,680
Net income (loss)	(146,907)			(158,413)		11,506
Other comprehensive income (loss), net of tax	(36,929)				(36,929)
Ending balance at Dec. 31, 2024	$ 4,846,129	$ 13	$ 4,899,100	$ (79,477)	$ (59,015)	$ 85,508
Ending balance, shares at Dec. 31, 2024		129,119,007