Balance Sheet Components (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015
Property, Plant and Equipment [Abstract]
Property and equipment, gross	$ 101,595		$ 102,206
Less: Accumulated depreciation and amortization	(72,113)		(70,377)
Property and equipment, net	29,482		31,829
Depreciation and amortization expense	2,600	$ 3,000
Inventories
Raw materials	50,336		46,356
Work-in-process	17,802		15,445
Finished goods	45,660		44,350
Total inventories	113,798		106,151
Financing receivables
Accounts receivable with contractual maturities of more than one year	2,000		1,600
Allowance for doubtful financing receivable accounts related to financing receivables	0		0
Furniture and fixtures
Property, Plant and Equipment [Abstract]
Property and equipment, gross	4,677		4,674
Computer and office equipment
Property, Plant and Equipment [Abstract]
Property and equipment, gross	12,085		11,808
Computer software
Property, Plant and Equipment [Abstract]
Property and equipment, gross	11,088		10,992
Leasehold improvements
Property, Plant and Equipment [Abstract]
Property and equipment, gross	20,898		19,428
Machinery and equipment
Property, Plant and Equipment [Abstract]
Property and equipment, gross	48,750		47,031
Construction in progress
Property, Plant and Equipment [Abstract]
Property and equipment, gross	$ 4,097		$ 8,273