Capital Stock Repurchase Plan Transactions (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Nov. 30, 2021	May 31, 2021
Capital Stock Repurchase Plan Transactions [Abstract]
Stock repurchase program, amount authorized		$ 600.0	$ 600.0
Stock repurchase program, remaining authorized repurchase amount	$ 87.9

Amount remaining of a stock repurchase plan authorized.

No definition available.

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