Other Comprehensive Income Items (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
After-tax changes in accumulated other comprehensive income
Beginning of year balance	$ 21.6
Current period activity	14.0	(32.5)	34.7
End of year balance	35.6	21.6
Cumulative translation adjustment
After-tax changes in accumulated other comprehensive income
Beginning of year balance	33.2	62.4	48.6
Current period activity	6.3	(29.2)	13.8
End of year balance	39.5	33.2	62.4
Unrealized gain (loss) on derivatives
After-tax changes in accumulated other comprehensive income
Beginning of year balance	(11.6)	(8.3)	(29.2)
Current period activity	7.7	(3.3)	20.9
End of year balance	$ (3.9)	$ (11.6)	$ (8.3)