Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
After-tax changes in accumulated other comprehensive income
Balance at the beginning of the period	$ 35.6
Net current period other comprehensive income (loss)	(7.0)	8.4
Balance at the end of the period	28.6	30.0
Cumulative Translation Adjustment
After-tax changes in accumulated other comprehensive income
Balance at the beginning of the period	39.5
Other comprehensive income (loss) items before reclassification	(9.1)
Net current period other comprehensive income (loss)	(9.1)
Balance at the end of the period	30.4
Unrealized Gain (Loss) on Derivatives
After-tax changes in accumulated other comprehensive income
Balance at the beginning of the period	(3.9)
Other comprehensive income (loss) items before reclassification	(3.8)
Amounts reclassified from accumulated other comprehensive income	5.9
Net current period other comprehensive income (loss)	2.1
Balance at the end of the period	(1.8)
Total Accumulated Other Comprehensive Income
After-tax changes in accumulated other comprehensive income
Balance at the beginning of the period	35.6
Other comprehensive income (loss) items before reclassification	(12.9)
Amounts reclassified from accumulated other comprehensive income	5.9
Net current period other comprehensive income (loss)	(7.0)	8.4
Balance at the end of the period	$ 28.6