Stock Incentive Plan and Employee Stock Purchase Plan - Stock Options (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Additional disclosures
Fair value of common stock (in dollars per share)	$ 5.19
Share-based compensation expense	$ 12,638	$ 13,930	$ 11,313
Stock options
Options Outstanding
Balance at the beginning of the year (in shares)	2,537	3,209	4,844
Options exercised (in shares)	(59)	(529)	(1,062)
Options forfeited/expired (in shares)	(101)	(143)	(573)
Balance at the end of the year (in shares)	2,377	2,537	3,209	4,844
Vested or Expected to vest at the end of the year (in shares)	2,377
Exercisable at the end of the year (in shares)	2,304
Weighted Average Exercise Price
Balance at the beginning of the year (in dollars per share)	$ 7.91	$ 7.44	$ 7.15
Options exercised (in dollars per share)	4.89	4.84	5.01
Options forfeited/expired (in dollars per share)	7.53	8.72	9.49
Balance at the end of the year (in dollars per share)	8.00	$ 7.91	$ 7.44	$ 7.15
Vested or Expected to vest at the end of the year (in dollars per share)	8.00
Exercisable at the end of the year (in dollars per share)	$ 8.06
Weighted Average Remaining Contractual Life (In Years)
Balance	3 years 11 months 19 days	5 years 1 month 6 days	5 years 4 months 17 days	6 years 2 months 1 day
Vested or Expected to vest at the end of the year	3 years 11 months 19 days
Exercisable at the end of the year	3 years 10 months 21 days
Aggregate Intrinsic Value (in thousands)
Balance at the beginning of the year	$ 1,862	$ 8,251	$ 2,771
Balance at the end of the year	452	1,862	8,251	$ 2,771
Vested or Expected to vest at the end of the year	452
Exercisable at the end of the year	443
Additional disclosures
Total intrinsic value of options exercised	100	1,400	3,800
Share-based compensation expense	800	1,100	1,700
Realized excess tax benefits related to stock options exercises	0	$ 0	$ 0
Unrecognized compensation cost related to unvested stock options, net of estimated forfeitures	$ 100
Weighted average period for recognition of compensation costs	5 months 19 days