Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash Flows From Operating Activities
Loss from continuing operations	$ (34,609)	$ (25,639)
Adjustments to reconcile net loss to net cash used in operating activities :
Depreciation and amortization	14,864	15,546
Share-based compensation	10,504	8,243
Amortization of debt issuance costs	1,114	1,053
Amortization and accretion of discount and premium on investments	732	1,296
Accretion of interest on long-term debt	5,377	3,519
Recovery of bad debt, net	(71)	(546)
Provision for write-down of inventories	1,127	2,092
Loss on disposal of property and equipment	16	90
Changes in assets and liabilities:
Restricted cash	(1,560)	(173)
Accounts receivable	7,446	(1,988)
Inventories	(24,540)	(14,841)
Prepaid expenses and other assets	3,137	(5,219)
Deferred cost of revenue	5,619	(1,374)
Accounts payable	(1,214)	2,329
Accrued liabilities	(8,054)	10,940
Customer advances	341	4,226
Deferred revenue	7,168	1,280
Net cash provided by (used in) operating activities	(12,603)	834
Cash Flows From Investing Activities
Purchases of property and equipment, net	(5,925)	(9,615)
Purchases of investments	(69,871)	(30,422)
Sale and maturity of investments	94,422	44,593
Net cash provided by investing activities	18,626	4,556
Cash Flows From Financing Activities
Proceeds from employee stock plans	5,207	7,414
Taxes paid related to net share settlement of equity awards	(495)	(220)
Net cash provided by financing activities	4,712	7,194
Effect of exchange rate changes on cash and cash equivalents	(7,632)	2,116
Net increase in cash and cash equivalent	3,103	14,700
Cash and cash equivalents at beginning of period	92,346	73,313
Cash and cash equivalents at end of period	$ 95,449	$ 88,013