FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Segregation of All Assets and Liabilities Measured at Fair Value on a Recurring Basis

The table below segregates all assets that are measured at fair value on a recurring basis (which is measured at least annually) into the most appropriate level within the fair value hierarchy based on the inputs used to determine the fair value at the measurement date.

	March 31, 2022		Quoted prices in active markets for identical assets (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Balance Sheet Classification
Bank-time deposits	$	636,000	$	636,000	$	—	$	—	Cash and cash equivalents
Money market funds	501,903		501,903		—		—		Cash and cash equivalents
Commercial paper	119,377		—		119,377		—		Cash and cash equivalents
US Treasuries	51,977		51,977		—		—		Cash and cash equivalents
Certificates of Deposit	10,005		—		10,005		—		Cash and cash equivalents
Corporate bonds	2,801		—		2,801		—		Cash and cash equivalents
Money market funds	356,830		356,830		—		—		Restricted cash and cash equivalents
Bank-time deposits	531		531		—		—		Restricted cash and cash equivalents
Corporate Bonds	538,460		—		538,460		—		Short-term investments
Bank-time deposits	131,797		131,797		—		—		Short-term investments
Commercial paper	125,390		—		125,390		—		Short-term investments
US Treasuries	23,414		23,414		—		—		Short-term investments
Certificates of Deposit	999		—		999		—		Short-term investments
Private equity	16,134		—		—		16,134		Other assets
Money market funds	103,452		103,452		—		—		Restricted cash and cash equivalents, long term
Foreign currency forward contracts	(202)		—		(202)		—		Accrued expenses and other current liabilities
Contingent earn-out consideration	(66,025)		—		—		(66,025)		Accrued expenses and other current liabilities
Contingent earn-out consideration	(43,030)		—		—		(43,030)		Other long-term liabilities
Total recurring fair value measurements, net	$	2,509,813	$	1,805,904	$	796,830	$	(92,921)

	March 31, 2021		Quoted prices in active markets for identical assets (level 1)		Significant other observable inputs (level 2)		Significant unobservable inputs (level 3)		Balance Sheet Classification
Money market funds	$	837,614	$	837,614	$	—	$	—	Cash and cash equivalents
Bank-time deposits	95,000		95,000		—		—		Cash and cash equivalents
Commercial paper	100,105		—		100,105		—		Cash and cash equivalents
Money market funds	528,659		528,659		—		—		Restricted cash and cash equivalents
Bank-time deposits	563		563		—		—		Restricted cash and cash equivalents
Corporate Bonds	521,224		—		521,224		—		Short-term investments
Bank-time deposits	578,762		578,762		—		—		Short-term investments
US Treasuries	60,086		60,086		—		—		Short-term investments
Commercial paper	148,150		—		148,150		—		Short-term investments
Asset-backed securities	470		—		470		—		Short-term investments
Money market funds	98,541		98,541		—		—		Long-term restricted cash and cash equivalents
Private equity	7,578		—		—		7,578		Other assets
Foreign currency forward contracts	(125)		—		(125)		—		Accrued expenses and other current liabilities
Total recurring fair value measurements, net	$	2,976,627	$	2,199,225	$	769,824	$	7,578