Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income (loss)	$ (8,998)	$ 7,669
Adjustments to reconcile net income (loss) to cash provided by operating activities, net of the effects of acquisitions:
Depreciation and amortization	40,174	4,986
Loss on disposal of fixed assets	38	10
Deal-related compensation expense and accretion charges	38	37
Share-based compensation expense associated with equity awards	8,132	4,595
Deferred income taxes	(11,328)	239
Other losses	(17)	42
Changes in assets and liabilities
Accounts receivable and unbilled costs	50,757	23,729
Due from related party	(1,984)	0
Inventories	(3,714)	(1,806)
Prepaid expenses and other assets	(5,429)	6,654
Accounts payable	4,858	(1,629)
Accrued compensation and other expenses	(18,108)	(20,955)
Due to related party	704	0
Income taxes payable	(5)	40
Deferred revenue	(17,385)	(14,321)
Net cash provided by operating activities	37,733	9,290
Cash flows from investing activities:
Purchase of marketable securities	(35,806)	(32,289)
Proceeds from maturity of marketable securities	53,159	19,034
Purchase of fixed assets	(9,218)	(3,415)
Purchase of intangible assets	(20)	(88)
Increase in deposits	(62)	0
Collection of contingently returnable consideration	5,133	0
Capitalized software development costs	(290)	0
Net cash provided by (used in) investing activities	12,896	(16,758)
Cash flows from financing activities:
Treasury stock repurchases	(50,068)	(3,167)
Net cash used in financing activities	(50,068)	(3,167)
Effect of exchange rate changes on cash and cash equivalents	(402)	94
Net increase (decrease) in cash and cash equivalents	159	(10,541)
Cash and cash equivalents, beginning of period	210,711	104,893
Cash and cash equivalents, end of period	210,870	94,352
Non-cash transactions:
Transfers of inventory to fixed assets	2,673	1,229
Additions to property, plant and equipment included in accounts payable	$ 374	$ 245