Income Taxes (Narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2021	Jun. 30, 2021
Federal [Member]
Income Tax Authority [Line Items]
Accrued income taxes	$ 2.3
Prepaid income taxes		$ 5.1
State and Local [Member]
Income Tax Authority [Line Items]
Accrued income taxes	$ 0.6
Prepaid income taxes		$ 1.1

Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant