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Capital Stock Repurchase Plan Transactions (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2021	Nov. 30, 2021
Capital Stock Transactions [Abstract]
Stock repurchase program, amount authorized		$ 600.0
Stock repurchase program, remaining authorized repurchase amount	$ 201.9

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- Definition

Amount of stock repurchase plan authorized.

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- Definition

Amount remaining of a stock repurchase plan authorized.

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No definition available.

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