Balance Sheet Components - Summary (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Cash and Cash Equivalents
Cash	$ 95,906	$ 73,444
Money market funds	13,362	6,107
Commercial paper	8,938
Municipal government securities	1,565
Cash and cash equivalents	119,771	79,551	$ 92,346	$ 73,313
Accounts receivable, net
Accounts receivable	54,974	75,631
Unbilled fees and services	2,662	2,805
Accounts and other receivable, gross	57,636	78,436
Less: Allowance for doubtful accounts	(826)	(709)
Accounts receivable, net	56,810	77,727
Allowance for doubtful accounts, payments and credits	200	400
Allowance for doubtful accounts, additions	300	400
Allowance for doubtful accounts, write-offs	10	200
Financing receivables
Sales-type leases	3,500
Capital leases		0
Accounts receivable with contractual maturities of more than one year	4,100
Allowance for doubtful accounts related to financing receivables	0	0
Gross	10,838	2,674
Unearned income	(623)
Total, net	10,215	2,674
Current	2,618	1,032
Non-current	7,597	1,642
Capital leases future minimum payments receivable
2017	1,046
2018	930
2019	930
2020	930
2021	930
2022	232
Total	4,998
Inventories
Raw materials	50,480	46,356
Work-in-process	20,190	15,445
Finished goods	45,317	44,350
Total inventories	115,987	106,151
Property and equipment, net
Property and equipment, gross	100,331	102,206
Less: Accumulated depreciation	(72,453)	(70,377)
Property and equipment, net	27,878	31,829
Depreciation expense	10,300	11,600	$ 12,200
Lease Receivables
Financing receivables
Gross	4,998
Unearned income	(623)
Total, net	4,375
Current	840
Non-current	3,535
Financed Service Contracts and Other
Financing receivables
Gross	5,840	2,674
Total, net	5,840	2,674
Current	1,778	1,032
Non-current	4,062	1,642
Furniture and fixtures
Property and equipment, net
Property and equipment, gross	4,527	4,674
Computer and office equipment
Property and equipment, net
Property and equipment, gross	11,485	11,808
Software
Property and equipment, net
Property and equipment, gross	11,104	10,992
Leasehold improvements
Property and equipment, net
Property and equipment, gross	21,632	19,428
Machinery and equipment
Property and equipment, net
Property and equipment, gross	47,171	47,031
Construction in progress
Property and equipment, net
Property and equipment, gross	$ 4,412	$ 8,273