Shareholders' Equity (Narrative) (Details) - New Plan [Member] - Subsequent Event [Member] - USD ($) $ in Millions	May 01, 2025	Apr. 27, 2025
Class of Stock [Line Items]
Stock repurchase program, remaining authorization	$ 1,500.0	$ 81.8
Stock repurchase program, authorized		1,500.0
Class A Common Stock [Member]
Class of Stock [Line Items]
Stock repurchase program, authorized		$ 1,500.0