Segment Information (Tables)

6 Months Ended

Apr. 30, 2018

Segment Reporting [Abstract]

Schedule of Financial Information by Reportable Segment

Financial Information by Reportable Segment

	Three Months Ended April 30,						Six Months Ended April 30,
(in millions)	2018			2017			2018			2017
Revenues
Business & Industry	$	723.2		$	637.5		$	1,445.3		$	1,293.0
Aviation	245.4			232.1			501.6			464.0
Technology & Manufacturing	227.5			161.4			459.5			332.9
Education	206.3			65.2			412.6			132.2
Technical Solutions	108.5			110.8			212.5			218.5
Healthcare	69.9			60.6			137.6			122.3
Government Services	—			42.9			—			74.3
	$	1,580.8		$	1,310.5		$	3,169.2		$	2,637.2
Operating profit (loss)
Business & Industry	$	43.5		$	36.0		$	72.0		$	63.2
Aviation	5.1			6.8			10.9			11.4
Technology & Manufacturing	16.0			12.1			32.9			24.8
Education	10.6			3.6			19.8			7.2
Technical Solutions	7.5			10.2			13.0			18.1
Healthcare	2.7			2.4			5.4			4.9
Government Services	—			18.2			(0.8		)	20.0
Corporate	(37.1		)	(36.4		)	(84.5		)	(71.0		)
Adjustment for income from unconsolidated affiliates, net, included in Aviation and Government Services	(1.0		)	(1.1		)	(1.6		)	(2.4		)
Adjustment for tax deductions for energy efficient government buildings, included in Technical Solutions	(2.0		)	(0.8		)	(2.3		)	(1.4		)
	45.3			51.0			64.8			74.8
Income from unconsolidated affiliates, net	1.0			0.9			1.6			2.3
Interest expense	(13.8		)	(3.0		)	(28.1		)	(6.3		)
Income from continuing operations before income taxes	$	32.5		$	48.9		$	38.2		$	70.9