FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Sep. 30, 2018

Segregation of all assets and liabilities measured at fair value on a recurring basis

The table below segregates all assets and liabilities 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.



	September 30, 2018			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	$	151,696		$	151,696	$	—		$	—	Cash and cash equivalents
Bank-time deposits	23,910			23,910		—			—		Cash and cash equivalents
Commercial paper	29,061			—		29,061			—		Cash and cash equivalents
Money market funds	368,240			368,240		—			—		Restricted cash
Corporate bonds	317,049			—		317,049			—		Short-term investments
Bank-time deposits	183,059			183,059		—			—		Short-term investments
US Treasuries	53,305			53,305		—			—		Short-term investments
Commercial paper	9,539			—		9,539			—		Short-term investments
Foreign currency forward contracts	311			—		311			—		Prepaid expenses and other
Private equity	1,823			—		—			1,823		Other assets
Foreign currency forward contracts	(74		)	—		(74		)	—		Accrued expenses and other current liabilities
Cross-currency swap	(6,817		)	—		(6,817		)	—		Accrued expenses and other current liabilities
Total recurring fair value measurements, net	$	1,131,102		$	780,210	$	349,069		$	1,823



	March 31, 2018			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	$	516,626		$	516,626	$	—		$	—	Cash and cash equivalents
Bank-time deposits	21			21		—			—		Cash and cash equivalents
Commercial paper	10,796			—		10,796			—		Cash and cash equivalents
Corporate bonds	308,716			—		308,716			—		Short-term investments
US Treasuries	59,725			59,725		—			—		Short-term investments
Commercial paper	25,422			—		25,422			—		Short-term investments
Mutual funds	4,880			—		4,880			—		Short-term investments
Bank-time deposits	216,663			216,663		—			—		Short-term investments
Foreign currency forward contracts	12			—		12			—		Prepaid expenses and other
Private equity	1,205			—		—			1,205		Other assets
Foreign currency forward contracts	(43		)			(43		)			Accrued expenses and other current liabilities
Cross-currency swap	(15,659		)			(15,659		)			Accrued expenses and other current liabilities
Total recurring fair value measurements, net	$	1,128,364		$	793,035	$	334,124		$	1,205