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Stock-Based Compensation (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Stock-Based Compensation (Textual) [Abstract]
Cash received from the exercise of capital stock option	$ 0.0	$ 0.1
Stock Option [Member]
Stock-Based Compensation (Textual) [Abstract]
Unrecognized compensation cost	0.0
Total Intrinsic value of options exercised		0.2
Restricted Stock Units (RSUs) [Member]
Stock-Based Compensation (Textual) [Abstract]
Compensation expense related to time vesting and performance vesting restricted stock units	6.7	$ 7.8
Unrecognized compensation cost	$ 34.2
Unrecognized compensation costs, weighted average period	2 years 4 months 24 days

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Stock based compensation.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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

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