Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax expense	$ 18,616,000	$ 17,732,000	$ 52,627,000	$ 62,756,000
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	5,405,000	6,131,000	15,233,000	17,683,000
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount			$ 1,583
Deferred State and Local Income Tax Expense (Benefit)				2,062,000
Effective Income Tax Rate Reconciliation, Book Provision Adjustment	$ 643,000	$ 3,939,000		$ 2,489
EffectiveIncomeTaxRateReconciliationBookingRate	21.00%	21.00%	21.00%	21.00%
Income Taxes Paid			$ 48,128,000	$ 64,025,000