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Shareholders' Equity (Narrative) (Details) - USD ($) $ in Millions	May 08, 2023	Oct. 28, 2021
Subsequent Event [Member]
Class of Stock [Line Items]
Stock repurchase program, remaining authorization	$ 504.7
New Plan [Member] | Class A Common Stock [Member]
Class of Stock [Line Items]
Stock repurchase program, authorized		$ 1,000.0

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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