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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Excess tax benefits from stock-based compensation $ 0 $ 584
Effective income tax rate (as a percent) 32.60% 36.10%
Accounting Standards Update 2016-09 [Member]    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
EffectiveIncomeTaxRateReconciliationChangeInTaxRateDueToExcessTaxBenefitsRecognizedFromShareBasedCompensation (1.00%)  
Increase (Decrease) in Income Taxes $ (500)