Other Comprehensive Income Items (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Other comprehensive income (loss), before tax
Cumulative translation adjustment, before tax	$ (33.5)	$ 6.3	$ (29.2)
Net unrealized gain (loss) on derivatives, before tax
Unrealized hedging gain (loss), before tax	(10.2)	33.3	(60.5)
Net unrealized gain (loss) on derivatives, before tax	5.1	11.8	(5.1)
Total other comprehensive income (loss), before tax	(28.4)	18.1	(34.3)
Net unrealized gain (loss) on derivatives, tax (expense) credit
Unrealized hedging gain (loss), tax (expense) credit	(3.6)	(11.6)	21.4
Net unrealized gain (loss) on derivatives, tax (expense) credit	(1.8)	(4.1)	1.8
Total other comprehensive income (loss), tax (expense) credit	(1.8)us-gaap_OtherComprehensiveIncomeLossTax	(4.1)us-gaap_OtherComprehensiveIncomeLossTax	1.8us-gaap_OtherComprehensiveIncomeLossTax
Other comprehensive income (loss), after tax
Cumulative translation adjustment, after tax	(33.5)	6.3	(29.2)
Unrealized gain (loss) on derivatives, after tax
Unrealized hedging gain (loss), after tax	(6.6)	21.7	(39.1)
Net unrealized gain (loss) on derivatives, after tax	3.3	7.7	(3.3)
Other comprehensive income (loss), net of income taxes	(30.2)	14.0	(32.5)
Interest rate contracts \| Interest expense
Net unrealized gain (loss) on derivatives, before tax
Reclassification of realized (gain) loss to, before tax	9.8	17.8	13.1
Net unrealized gain (loss) on derivatives, tax (expense) credit
Reclassification of realized (gain) loss to, tax expense (credit)	(3.5)	(6.2)	(4.6)
Unrealized gain (loss) on derivatives, after tax
Reclassification of realized (gain) loss to, after tax	6.3	11.6	8.5
Foreign exchange contracts \| Administrative and operating expenses
Net unrealized gain (loss) on derivatives, before tax
Reclassification of realized (gain) loss to, before tax	5.5	(39.3)	42.3
Net unrealized gain (loss) on derivatives, tax (expense) credit
Reclassification of realized (gain) loss to, tax expense (credit)	(1.9)	13.7	(15.0)
Unrealized gain (loss) on derivatives, after tax
Reclassification of realized (gain) loss to, after tax	$ 3.6	$ (25.6)	$ 27.3

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