Aggregate dividends paid during the period for each share of common stock outstanding.

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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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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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Stockholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Feb. 09, 2022	Jan. 31, 2022	Jan. 31, 2021	Mar. 31, 2017	Dec. 31, 2011
Subsequent Event [Line Items]
Share repurchase program, authorized amount for repurchase				$ 1,000.0	$ 500.0
Treasury stock repurchase (in shares)		191,200	69,600
Treasury stock repurchase		$ 78.5	$ 24.8
Average repurchase price per share (in dollars per share)		$ 410.41	$ 356.61
Share repurchase program, remaining authorized amount for repurchase		$ 256.4
Dividends on common stock (in dollars per share)		$ 0.03	$ 0.03
Subsequent Event
Subsequent Event [Line Items]
Dividends on common stock	$ 1.5
Dividends on common stock (in dollars per share)	$ 0.03