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Income Taxes (Details)
3 Months Ended 9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2021
Mar. 31, 2020
Reconciliation to income tax at the statutory rate:        
Effective income tax rate (as a percent) 30.20% 33.50% 23.30% 23.40%