Balance Sheet Components (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
Property and Equipment, net
Property and equipment, gross	$ 97,883,000		$ 97,883,000		$ 97,225,000
Less: Accumulated depreciation and amortization	(68,027,000)		(68,027,000)		(62,834,000)
Property and equipment, net	29,856,000		29,856,000		34,391,000
Depreciation and amortization expense	2,900,000	3,000,000	8,900,000	9,100,000
Inventories
Raw materials	46,739,000		46,739,000		37,003,000
Work-in-process	22,654,000		22,654,000		17,692,000
Finished goods	40,312,000		40,312,000		33,057,000
Total inventories	109,705,000		109,705,000		87,752,000
Financing receivables
Accounts receivable with contractual maturities of more than one year	1,100,000		1,100,000		2,800,000
Furniture and fixtures
Property and Equipment, net
Property and equipment, gross	4,756,000		4,756,000		5,351,000
Computer and office equipment
Property and Equipment, net
Property and equipment, gross	11,408,000		11,408,000		10,540,000
Computer software
Property and Equipment, net
Property and equipment, gross	10,915,000		10,915,000		10,736,000
Leasehold improvements
Property and Equipment, net
Property and equipment, gross	19,390,000		19,390,000		18,991,000
Machinery and equipment
Property and Equipment, net
Property and equipment, gross	45,524,000		45,524,000		45,730,000
Construction in progress
Property and Equipment, net
Property and equipment, gross	$ 5,890,000		$ 5,890,000		$ 5,877,000