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	Jun. 30, 2014
Income Taxes
Income tax provision	$ 17,973us-gaap_IncomeTaxExpenseBenefit	$ 13,280us-gaap_IncomeTaxExpenseBenefit	$ 60,208us-gaap_IncomeTaxExpenseBenefit	$ 18,838us-gaap_IncomeTaxExpenseBenefit
Effective income tax rate (as a percent)	33.00%	37.00%	34.00%	36.00%
Unrecognized tax benefits	578us-gaap_UnrecognizedTaxBenefits		578us-gaap_UnrecognizedTaxBenefits		428us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits cumulative interest and penalties recorded	$ 0		$ 0		$ 0

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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