Income Taxes - Unrecognized Tax Benefits (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Jun. 30, 2012
Changes in unrecognized tax benefits
Total unrecognized tax benefits	$ 3,211	[1]	$ 3,211	[1]
Unrecognized tax benefits that, if recognized, would affect the Company's effective tax rate, subject to the valuation allowance	$ 3,064		$ 3,064

[1] Excluding interest and penalties.