Statements of Changes in Consolidated Stockholder's Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock	Retained Earnings	Total Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interests	Comprehensive Income (Loss)
Balance at Oct. 31, 2010	$ 2,449.1	$ 1,272.8	$ 1,156.5	$ 19.4	$ 0.4
Increase (Decrease) in Stockholder's Equity
Net income	83.8		83.8			83.8
Other comprehensive income (loss)
Cumulative translation adjustment	(1.2)			(1.2)		(1.2)
Unrealized (loss) gain on derivatives	5.1			5.1		5.1
Total comprehensive income	87.7					87.7
Dividends paid	(79.0)		(79.0)
Balance at Jan. 31, 2011	2,457.8	1,272.8	1,161.3	23.3	0.4
Balance at Oct. 31, 2011	2,553.4	1,272.8	1,226.1	54.1	0.4
Increase (Decrease) in Stockholder's Equity
Net income	93.3		93.3			93.3
Other comprehensive income (loss)
Cumulative translation adjustment	(22.6)			(22.6)		(22.6)
Unrealized (loss) gain on derivatives	(3.6)			(3.6)		(3.6)
Total comprehensive income	67.1					67.1
Balance at Jan. 31, 2012	$ 2,620.5	$ 1,272.8	$ 1,319.4	$ 27.9	$ 0.4