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, 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	49,827		49,827
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	(2,565)		(2,565)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		133,095
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)	(842,665)			(844,242)		1,577
Other comprehensive income (loss), net of tax	(2,122)				(2,122)
Ending balance at Sep. 30, 2023	5,227,703	$ 13	4,752,694	474,094	(36,835)	37,737
Ending balance, shares at Sep. 30, 2023		124,481,293
Beginning balance at Jun. 30, 2023	5,975,872	$ 13	4,718,054	1,241,332	(19,889)	36,362
Beginning balance, shares at Jun. 30, 2023		124,054,755
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	24,945		24,945
RSU awards vesting, net of shares withheld for taxes which have been retired	(353)		(353)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		44,476
Other noncontrolling interest activity	(100)					(100)
Net income (loss)	(765,763)			(767,238)		1,475
Other comprehensive income (loss), net of tax	(16,946)				(16,946)
Ending balance at Sep. 30, 2023	5,227,703	$ 13	4,752,694	474,094	(36,835)	37,737
Ending balance, shares at Sep. 30, 2023		124,481,293
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	46,037		46,037
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	(2,395)		(2,395)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		228,277
Other noncontrolling interest activity	(85)					(85)
Net income (loss)	(143,483)			(170,496)		27,013
Other comprehensive income (loss), net of tax	(818)				(818)
Ending balance at Sep. 30, 2024	5,009,480	$ 13	4,878,615	78,936	(22,086)	74,002
Ending balance, shares at Sep. 30, 2024		128,394,327
Beginning balance at Jun. 30, 2024	5,087,653	$ 13	4,845,072	216,520	(32,251)	58,299
Beginning balance, shares at Jun. 30, 2024		127,738,637
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	24,866		24,866
RSU awards vesting, net of shares withheld for taxes which have been retired	(980)		(980)
RSU awards vesting, net of shares withheld for taxes which have been retired, shares		93,802
Other noncontrolling interest activity	(85)					(85)
Net income (loss)	(121,796)			(137,584)		15,788
Other comprehensive income (loss), net of tax	10,165				10,165
Ending balance at Sep. 30, 2024	$ 5,009,480	$ 13	$ 4,878,615	$ 78,936	$ (22,086)	$ 74,002
Ending balance, shares at Sep. 30, 2024		128,394,327