Statements of Changes in Consolidated Stockholder's Equity (USD $) In Millions, unless otherwise specified	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Non-Controlling Interests
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	171.7		171.7
Other comprehensive income (loss)	(22.2)			(22.2)
Balance at Apr. 30, 2012	2,702.9	1,272.8	1,397.8	31.9	0.4
Balance at Oct. 31, 2012	3,063.6	1,432.8	1,608.8	21.6	0.4
Increase (Decrease) in Stockholder's Equity
Net income	210.9		210.9
Other comprehensive income (loss)	2.6			2.6
Dividends declared	(125.0)		(125.0)
Balance at Apr. 30, 2013	$ 3,152.1	$ 1,432.8	$ 1,694.7	$ 24.2	$ 0.4