Stock-Based Compensation and Incentive Performance Plans (Schedule of Cash Proceeds Received From Share-Based Payment Awards) (Details) - USD ($)	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Share-based Payment Arrangement [Abstract]
Intrinsic value of options exercised	$ 0	$ 0	$ 6,507,000
Cash received from stock option exercises	0	0	0
Tax benefit recognized from stock option exercises	0	$ 0	$ 2,538,000
Aggregate intrinsic value of outstanding options	$ 2,394,000
Weighted average remaining contractual life	12 years
Unrecognized compensation expense	$ 0

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Amount of cost to be recognized for option under share-based payment arrangement.

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-Publisher FASB
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Amount of tax benefit from exercise of option under share-based payment arrangement.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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