Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income	$ 894	$ 6,020
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,363	7,765
Share-based compensation expense	3,592	6,676
Provision (recovery) for doubtful accounts	71	(64)
(Gain) loss on disposal of property and equipment	(2)	42
Foreign currency transaction losses (gains), net	1,241	(1,202)
Amortization of discounts and premiums on investments		(4)
Impairment of operating lease right-of-use asset	1,413
Amortization of debt issuance cost	350	273
Deferred income taxes, net	253	(72)
Net changes in operating assets and liabilities
Accounts receivable and unbilled receivable	54,689	7,203
Prepaid expenses and other current assets	(2,899)	(6,015)
Other long-term assets	(1,048)	(7,730)
Accounts payable	3,252	(4,479)
Accrued employee compensation and benefits	(23,686)	(12,032)
Accrued expenses and other current liabilities	9,566	6,854
Operating lease liabilities	(190)	125
Income taxes payable	(3,138)	2,620
Other long-term liabilities	3,311	(3,744)
Net cash provided by operating activities	56,032	2,236
Cash flows from investing activities:
Proceeds from sale of property and equipment		19
Purchase of short-term investments	(42)	(4,622)
Proceeds from sale or maturity of short-term investments	5,781	19,817
Payment for asset acquisitions	(27)	(4,251)
Purchase of property and equipment	(1,338)	(4,775)
Payment of deferred consideration related to business acquisitions	(6,313)
Net cash (used in) provided by investing activities	(1,939)	6,188
Cash flows from financing activities:
Payment of debt	(4,336)	(875)
Payments of withholding taxes related to net share settlements of restricted stock	(1,914)	(2,011)
Purchase of redeemable noncontrolling interest related to Polaris		(5,549)
Principal payments on capital lease obligation		(18)
Payment of dividend on Series A Convertible Preferred Stock	(1,046)	(1,046)
Payment of revolving credit facility	(55,000)
Payment of debt issuance cost	(813)
Payment of contingent consideration related to acquisitions	(1,186)
Net cash used in financing activities	(64,203)	(9,253)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	4,206	1,145
Net (decrease) increase in cash and cash equivalents and restricted cash	(5,904)	316
Cash, cash equivalents and restricted cash, beginning of year	291,601	190,113
Cash, cash equivalents and restricted cash, end of period	285,697	190,429
Parent
Cash flows from financing activities:
Proceeds from exercise of common stock options	$ 92	194
Subsidiaries
Cash flows from financing activities:
Proceeds from exercise of common stock options		$ 52