Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Jun. 30, 2014
Current assets:
Cash and cash equivalents	$ 74,067	$ 73,190
Short-term investments	1,506	32,692
Accounts receivable, net of allowances of $4,344 at March 31, 2015 and $3,618 at June 30, 2014	78,727	124,664
Inventories	66,811	57,109
Deferred income taxes	797	1,058
Prepaid expenses and other current assets	10,069	14,143
Total current assets	231,977	302,856
Property and equipment, net	42,399	46,554
Intangible assets, net	61,096	87,459
Goodwill	70,877	70,877
Other assets	25,029	18,686
Total assets	431,378	526,432
Current liabilities:
Current portion of long-term debt	9,750	29,688
Accounts payable	46,378	37,308
Accrued compensation and benefits	20,502	26,677
Accrued warranty	7,879	7,551
Deferred revenue, net	73,206	74,735
Deferred distributors revenue, net of cost of sales to distributors	35,687	31,992
Other accrued liabilities	29,820	38,357
Total current liabilities	223,222	246,308
Deferred revenue, less current portion	23,141	22,942
Long-term debt, less current portion	58,750	91,875
Deferred income taxes	2,572	0
Other long-term liabilities	7,934	8,595
Commitments and contingencies (Note 8)
Stockholders’ equity:
Convertible preferred stock, $.001 par value, issuable in series, 2,000,000 shares authorized; none issued	0	0
Common stock, $.001 par value, 750,000,000 shares authorized; 100,050,411 shares issued and outstanding at March 31, 2015 and 96,980,214 shares issued and outstanding at June 30, 2014	100	97
Additional paid-in-capital	861,653	845,267
Accumulated other comprehensive loss	(1,798)	(439)
Accumulated deficit	(744,196)	(688,213)
Total stockholders’ equity	115,759	156,712
Total liabilities and stockholders’ equity	$ 431,378	$ 526,432