Financial Instruments and Fair Value Measurements (Tables)

3 Months Ended

Jan. 31, 2018

Fair Value Disclosures [Abstract]

Recurring Fair Value Measurements

The following table presents the fair value for those assets and (liabilities) measured on a recurring basis as of January 31, 2018 and October 31, 2017:

	January 31, 2018
	Fair Value Measurement
(in millions)	Level 1		Level 2			Level 3		Total			Balance Sheet Location
Interest rate derivatives	$	—	$	14.2		$	—	$	14.2		Other long-term assets and other current assets
Foreign exchange hedges	—		0.6			—		0.6			Other current assets
Foreign exchange hedges	—		(3.5		)	—		(3.5		)	Other current liabilities
Insurance annuity	—		—			22.0		22.0			Other long-term assets
Total	$	—	$	11.3		$	22.0	$	33.3

	October 31, 2017
	Fair Value Measurement
(in millions)	Level 1		Level 2			Level 3		Total			Balance Sheet Location
Interest rate derivatives	$	—	$	8.9		$	—	$	8.9		Other long-term assets and other current assets
Foreign exchange hedges	—		0.1			—		0.1			Other current assets
Foreign exchange hedges	—		(0.6		)	—		(0.6		)	Other current liabilities
Insurance annuity	—		—			20.7		20.7			Other long-term assets
Total	$	—	$	8.4		$	20.7	$	29.1

Estimated Fair Values for the Company's Senior Notes and Assets Held by Special Purpose Entities

The following table presents the estimated fair values of the Company’s senior notes:

(in millions)	January 31, 2018		October 31, 2017
Senior Notes due 2019 estimated fair value	$	266.2	$	272.0
Senior Notes due 2021 estimated fair value	298.2		281.0
Assets held by special purpose entities estimated fair value	51.7		52.5

Summary of Quantitative about Significant Unobservable Inputs Used to Determine Fair Value of Impairment of Long-Lived Assets Held and Used and Net Assets Held for Sale

The following table presents quantitative information about the significant unobservable inputs used to determine the fair value of the impairment of long-lived assets held and used and net assets held for sale for the three months ended January 31, 2018 and 2017:

	Quantitative Information about Level 3 Fair Value Measurements
(in millions)	Fair Value of Impairment		Valuation Technique	Unobservable Input	Range of Input Values
January 31, 2018
Impairment of Long Lived Assets	$	2.9	Discounted Cash Flows	Discounted Cash Flows	N/A
Total	$	2.9
January 31, 2017
Impairment of Net Assets Held for Sale	$	1.5	Broker Quote/ Indicative Bids	Indicative Bids	N/A
Impairment of Long Lived Assets	0.4		Sales Value	Sales Value	N/A
Total	$	1.9