Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Income tax (expense) benefit on minimum pension liability	$ (4.1)	$ (16.5)	$ 4.7
Income tax expense, unrealized gain on derivatives	$ 3.3	$ 3.1	$ 0.0
Class A Common Stock
Dividend paid (usd per share)	$ 1.70	$ 1.68	$ 1.68
Class B Common Stock
Dividend paid (usd per share)	$ 2.54	$ 2.51	$ 2.51

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

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