Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities:
Net loss	$ (2,155)	$ (27,478)
Adjustments to reconcile net loss to net cash provided by operating activities:
Amortization of acquisition-related intangible assets	16,708	18,381
Stock compensation expense	25,132	24,209
Depreciation and other amortization	14,638	12,925
Goodwill impairment charge		7,529
Deferred income tax benefit	(5,458)	(6,374)
Provision for allowances on accounts receivable	117	51
Amortization of debt issuance costs	819	1,022
Amortization of debt discount	5,574	9,396
Amortization of premium (discount) on investments	(32)	184
(Gain) loss on disposal of equipment	(10)	89
Gain on foreign exchange	(160)	(187)
Changes in operating assets and liabilities:
Accounts receivable	(23,030)	(1,497)
Prepaid expenses and other current assets	(54)	(1,756)
Other assets	(337)	719
Accounts payable	(50)	(616)
Accrued expenses	2,884	1,984
Deferred revenue	6,053	6,220
Other liabilities	175	1,138
Net cash provided by operating activities	40,814	45,939
Investing activities:
Acquisition of businesses, net of cash acquired	(13,747)
Purchase of available-for-sale securities	(9,935)	(13,600)
Proceeds from sales of available-for-sale securities	1,903	31,374
Capital expenditures, including capitalization of software costs	(14,865)	(20,296)
Proceeds from disposal of property and equipment	10
Net cash used in investing activities	(36,634)	(2,522)
Financing activities:
Repurchase of common stock		(14,971)
Repayment of convertible senior notes	(189,750)
Amounts borrowed under revolving credit facility	150,000
Repayment of notes payable	(2,394)
Debt issuance costs related to credit facility		(2,163)
Proceeds from exercise of stock options and employee stock purchase plan	3,357	2,774
Net cash used in financing activities	(38,787)	(14,360)
Effect of exchange rate changes on cash	2,139	(2,441)
Increase (decrease) in cash and cash equivalents	(32,468)	26,616
Cash and cash equivalents at beginning of period	124,569	97,174
Cash and cash equivalents at end of period	92,101	$ 123,790
Supplemental disclosures of non-cash financing activities:
Issuance of note payable to seller in connection with acquisition	1,836
Issuance of common stock upon conversion of convertible senior notes	19,736
Receipt of common stock upon settlement of Note Hedges	$ 19,964