Share Repurchase Program (Narrative) (Details) $ in Millions	Sep. 30, 2020 USD ($)
Share Repurchase Program [Abstract]
Stock Repurchase Program, Authorized Amount	$ 150.0
Stock repurchase program, remaining authorized amount	$ 46.2

Amount remaining of a stock repurchase plan authorized.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant