Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Income Tax Holiday [Line Items]
Income tax provision	$ 8,136	$ 4,752	$ 30,234	$ 15,649
Effective tax rate	26.10%	22.30%	28.70%	29.40%
Unrecognized tax benefits that would impact effective tax rate, if recognized	11,728		11,728
Unrecognized tax benefits, income tax penalties and interest accrued	$ 841		$ 841