Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net loss:	$ (31,884)	$ (71,643)	$ (57,310)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	10,802	12,832	10,628
Amortization of intangible assets	32,370	35,951	28,771
Provision for doubtful accounts and allowance for product returns	1,140	4,246	2,366
Stock-based compensation	14,792	17,801	15,922
Non-cash restructuring charges	4,463
Other non-cash charges	1,020	2,323	3,666
Changes in operating assets and liabilities, net
Accounts receivable	10,178	27,681	(56,116)
Inventories	17,025	(904)	(7,280)
Prepaid expenses and other assets	100	(2,240)	2,288
Accounts payable	(9,562)	2,827	(4,234)
Accrued compensation and benefits	1,949	(1,482)	(570)
Deferred revenue	(4,922)	2,104	18,689
Deferred distributor revenue, net of cost of sales to distributors	(14,058)	8,883	13,537
Other current and long term liabilities	(3,047)	(956)	2,800
Net cash provided by (used in) operating activities	30,366	37,423	(26,843)
Cash flows from investing activities:
Capital expenditures	(5,327)	(7,205)	(22,373)
Acquisition, net of cash acquired			(180,000)
Purchases of non-marketable equity investment		(3,000)
Purchases of investments			(9,045)
Proceeds from maturities of investments and marketable securities		23,321	28,722
Proceeds from sales of investments and marketable securities		9,051	56,594
Purchases of intangible assets		(569)	(87)
Net cash (used in) provided by investing activities	(5,327)	21,598	(126,189)
Cash flows from financing activities:
Borrowings under Revolving Facility	15,000	24,000	83,000
Borrowings under Term Loan			65,000
Repayment of debt	(26,375)	(78,688)	(26,437)
Proceeds from issuance of common stock	4,637	2,218	8,017
Net cash (used in) provided by financing activities	(6,738)	(52,470)	129,580
Foreign currency effect on cash	(404)	(3,516)	839
Net increase (decrease) in cash and cash equivalents	17,897	3,035	(22,613)
Cash and cash equivalents at beginning of period	76,225	73,190	95,803
Cash and cash equivalents at end of period	94,122	76,225	73,190
Supplemental disclosure of cash flow information:
Cash paid for interest	2,613	2,361	1,852
Cash paid for taxes, net	2,355	1,582	2,864
Non-cash investing activities:
Unpaid capital expenditures	$ 741	$ 316	$ 310