Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2014		Oct. 31, 2013		Oct. 31, 2012
Income Statement [Abstract]
Revenues	$ 5,032.8	[1]	$ 4,809.3	[1]	$ 4,300.3	[1]
Expenses
Operating	4,513.5		4,313.4		3,854.4
Selling, general and administrative	363.9		348.3		327.8
Amortization of intangible assets	26.8		28.6		21.5
Total expenses	4,904.2		4,690.3		4,203.7
Operating profit	128.6		119.0		96.6
Other-than-temporary impairment credit losses on auction rate security recognized in earnings	0		0		(0.3)
Income from unconsolidated affiliates, net	6.5		6.3		6.4
Interest expense	(10.7)		(12.9)		(10.0)
Income from continuing operations before income taxes	124.4		112.4		92.7
Provision for income taxes	(48.8)		(39.5)		(30.0)
Income from continuing operations	75.6		72.9		62.7
Loss from discontinued operations, net of taxes	0		0		(0.1)
Net income	$ 75.6		$ 72.9		$ 62.6
Net income per common share
Net income per common share-Basic (in usd per share)	$ 1.35		$ 1.33		$ 1.16
Net income per common share-Diluted (in usd per share)	$ 1.32		$ 1.30		$ 1.14
Weighted-average common and common equivalent shares outstanding
Basic (in shares)	56.1		54.9		54.0
Diluted (in shares)	57.1		56.1		54.9
Dividends declared per common share (in usd per share)	$ 0.620		$ 0.6		$ 0.58

[1] Substantially all of our long-lived assets are related to United States operations.