CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net loss	$ (57,421)	$ (120,382)
Non-cash operating activities:
Depreciation and amortization	21,464	27,958
Loss (gain) on disposal or impairment of assets	334	(140)
Provision for doubtful accounts	3,346	3,683
Deferred income taxes	0	1,465
Non-cash stock compensation expense	64,583	72,279
Changes in operating assets and liabilities:
Accounts receivable, net	(26,646)	(11,851)
Deferred commissions	(5,082)	(2,710)
Other assets	7,511	2,404
Accounts payable and other liabilities	(6,847)	12,597
Income taxes, net	(8,982)	(13,423)
Deferred revenue	5,067	(235)
Net cash used in operating activities	(2,673)	(28,355)
Cash flows from investing activities:
Capital expenditures	(1,806)	(10,302)
Proceeds from sales of assets	0	517
Cash paid in acquisitions, net of cash received	(17,748)	(105,365)
Purchases of investments	(3,000)	0
Purchases of strategic investments	(2,200)	0
Net cash used in investing activities	(24,754)	(115,150)
Cash flows from financing activities:
Proceeds related to the issuance of common stock under stock and employee benefit plans	8,676	3,405
Shares repurchased for tax withholdings upon vesting of stock-based awards	(9,382)	(18,057)
Acquisition of treasury stock	(42,312)	(121,188)
Net cash used in financing activities	(43,018)	(135,840)
Effect of exchange rate changes on cash	1,220	(113)
Net change in cash, cash equivalents and restricted cash	(69,225)	(279,458)
Cash, cash equivalents and restricted cash at beginning of period	732,626	1,061,473
Cash, cash equivalents and restricted cash at end of period	663,401	782,015
Supplemental cash flow information:
Cash paid (received) for income taxes, net	$ (2,092)	$ 6,171