Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flows From Operating Activities
Loss from continuing operations	$ (13,026)	$ (21,650)
Adjustments to reconcile net loss to net cash used in operating activities :
Depreciation and amortization	4,559	4,978
Share-based compensation	2,514	3,273
Amortization of debt issuance costs	403	363
Amortization and accretion of discount and premium on investments	270	266
Accretion of interest on long-term debt	1,920	1,759
Recovery of (provision for) bad debt, net	36	(127)
Provision for write-down of inventories	424	259
Loss on disposal of property and equipment	8
Changes in assets and liabilities:
Accounts receivable	20,902	17,726
Inventories	(7,193)	(13,147)
Prepaid expenses and other assets	(65)	3,233
Deferred cost of revenue	(704)	1,468
Accounts payable	710	9
Accrued liabilities	(13)	(13,237)
Customer advances	3,609	751
Deferred revenue	(2,098)	(643)
Net cash provided by (used in) operating activities	12,256	(14,719)
Cash Flows From Investing Activities
Purchases of property and equipment, net	(1,544)	(2,691)
Purchases of investments	(15,439)	(45,739)
Sale and maturity of investments	12,000	79,470
Net cash provided by investing activities	(4,983)	31,040
Cash Flows From Financing Activities
Proceeds from employee stock plans	1,034	1,886
Taxes paid related to net share settlement of equity awards	(1,060)
Net cash provided by financing activities	(26)	1,886
Effect of exchange rate changes on cash and cash equivalents	(1,214)	(3,258)
Net increase (decrease) in cash and cash equivalent	6,033	14,949
Cash and cash equivalents at beginning of period	79,551	92,346
Cash and cash equivalents at end of period	$ 85,584	$ 107,295