Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net (loss) income	$ (71,643)	$ (57,310)	$ 9,673
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease in accrued investment income	197	923	1,600
Depreciation	12,832	10,628	4,543
Amortization of intangible assets	35,951	28,771	1,488
Allowance for doubtful accounts and sales returns	4,246	2,366	(173)
Deferred income taxes	1,871	(61)	(35)
Stock-based compensation	17,801	15,922	7,353
Loss (gain) on disposition of long lived assets, net	1,298	2,226	(11,285)
Non-cash interest expense	247	173	0
Unrealized gain/(loss) on foreign exchange transactions	(1,290)	405	291
Changes in operating assets and liabilities, net
Accounts receivable	27,681	(56,116)	(6,304)
Inventories	(904)	(7,280)	10,442
Prepaid expenses and other assets	(2,240)	2,288	1,877
Accounts payable	2,827	(4,234)	7,726
Accrued compensation and benefits	(1,482)	(570)	95
Accrued warranty	1,125	3,385	425
Deferred revenue, net	2,104	18,689	2,127
Deferred revenue, net of cost of sales to distributors	8,883	13,537	2,069
Other long-term liabilities	(2,081)	(585)	325
Net cash (used in) provided by operating activities	37,423	(26,843)	32,237
Cash flows (used in) provided by investing activities:
Capital expenditures	(7,205)	(22,373)	(12,737)
Acquisition, net of cash acquired	0	(180,000)	0
Purchases of investments	0	(9,045)	(57,712)
Purchases of non-marketable equity investments	(3,000)	0	0
Proceeds from maturities of investments and marketable securities	23,321	28,722	16,367
Proceeds from sales of investments and marketable securities	9,051	56,594	28,528
Purchases of intangible assets	(569)	(87)	(625)
Proceeds from sales of facilities	0	0	42,659
Net cash provided by (used in) investing activities	21,598	(126,189)	16,480
Cash flows provided by (used in) financing activities:
Borrowings under Revolving Facility	24,000	83,000	0
Borrowings under Term Loan	0	65,000	0
Repayment of debt	(78,688)	(26,437)	0
Proceeds from issuance of common stock	2,218	8,017	7,084
Repurchase of common stock	0	0	(14,475)
Net cash provided by (used in) financing activities	(52,470)	129,580	(7,391)
Foreign currency effect on cash	(3,516)	839	(119)
Net increase (decrease) in cash and cash equivalents	3,035	(22,613)	41,207
Cash and cash equivalents at beginning of period	73,190	95,803	54,596
Cash and cash equivalents at end of period	76,225	73,190	95,803
Supplemental disclosure of cash flow information:
Interest paid	2,361	1,852	0
Cash paid for taxes, net	1,582	2,864	1,534
Noncash investing activities:
Unpaid capital expenditures	$ 316	$ 310	$ 7,001