Restructuring and Related Costs (Tables)

12 Months Ended

Oct. 31, 2017

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Liabilities

Rollforward of Restructuring and Related Liabilities

(in millions)	External Support Fees			Employee Severance			Other Project Fees			Lease Exit			Asset Impairment			Total
Balance, October 31, 2014	$	—		$	—		$	—		$	—		$	—		$	—
Costs recognized	4.6			4.7			0.8			—			2.6			12.7
Payments	(2.5		)	(0.4		)	(0.4		)	—			—			(3.3		)
Non-cash items	—			—			(0.2		)	—			(2.6		)	(2.8		)
Balance, October 31, 2015	$	2.1		$	4.3		$	0.2		$	—		$	—		$	6.6
Costs recognized	11.3			8.6			3.9			3.2			2.1			29.0
Payments	(12.2		)	(9.1		)	(3.6		)	(0.3		)	—			(25.2		)
Non-cash items	—			—			—			(0.4		)	(2.1		)	(2.5		)
Balance, October 31, 2016	$	1.2		$	3.8		$	0.5		$	2.5		$	—		$	8.0
Costs recognized	12.1			0.5			5.7			2.6			—			20.9
Payments	(10.8		)	(3.3		)	(5.8		)	(3.1		)	—			(23.0		)
Non-cash items	—			—			—			0.9			—			0.9
Balance, October 31, 2017	$	2.5		$	1.0		$	0.4		$	2.8		$	—		$	6.7