Other Comprehensive Income Items (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Other Comprehensive Income (Loss), Before Tax
Cumulative translation adjustment	$ 5.9	$ (22.6)
Net unrealized gain (loss) on derivatives	3.9	(5.5)
Total other comprehensive income (loss), before tax amount	9.8	(28.1)
Other Comprehensive Income (Loss), Tax (Expense) Credit
Net unrealized gain (loss) on derivatives	(1.4)	1.9
Total other comprehensive income (loss), tax (expense) credit	(1.4)	1.9
Other Comprehensive Income (Loss), After Tax
Cumulative translation adjustment	5.9	(22.6)
Net unrealized gain (loss) on derivatives	2.5	(3.6)
Other Comprehensive Income (Loss), Net of Income Taxes	$ 8.4	$ (26.2)