Share Repurchases (Open Market Share Repurchase Programs) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Mar. 14, 2022	Mar. 01, 2022	Feb. 04, 2020	Nov. 08, 2018
Equity, Class of Treasury Stock [Line Items]
Authorized amount for repurchase		$ 150.0
Maximum
Equity, Class of Treasury Stock [Line Items]
Remaining authorized amount for repurchase	$ 172.7
Maximum | Authorized On November Eighth Two-Thousand Twenty [Member]
Equity, Class of Treasury Stock [Line Items]
Authorized amount for repurchase					$ 300.0
Maximum | Authorized On February Fourth Two-Thousand Twenty
Equity, Class of Treasury Stock [Line Items]
Authorized amount for repurchase				$ 300.0
Maximum | Authorized On March One, Two-Thousand Twenty Two
Equity, Class of Treasury Stock [Line Items]
Authorized amount for repurchase			$ 300.0