Goodwill and Purchased Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Changes in the carrying amount of goodwill
Balance at the beginning of the period	$ 58,054	$ 58,091
Currency translation and other adjustments	(206)	(37)
Balance at the end of the period	57,848	58,054	$ 58,091
Impairment of goodwill	0	0	0
Net Amount	7,611
Amortization expense	8,000	7,900	$ 8,400
Estimated future amortization expense of purchased intangible assets
2017	7,568
2018	43
Net Amount	$ 7,611
Minimum
Changes in the carrying amount of goodwill
Useful Lives	1 year
Maximum
Changes in the carrying amount of goodwill
Useful Lives	6 years
Developed technology
Changes in the carrying amount of goodwill
Gross Carrying Amount	$ 46,743	46,700
Accumulated Amortization	(39,132)	(31,136)
Net Amount	7,611	15,564
Estimated future amortization expense of purchased intangible assets
Net Amount	$ 7,611	$ 15,564
Developed technology | Minimum
Changes in the carrying amount of goodwill
Useful Lives	5 years	5 years
Developed technology | Maximum
Changes in the carrying amount of goodwill
Useful Lives	6 years	6 years