Basis of Presentation and Significant Accounting Policies (Tables)

12 Months Ended

Oct. 31, 2020

Accounting Policies [Abstract]

Schedule of Estimated Useful Lives of Property, Plant and Equipment

We determine depreciation for financial reporting purposes using the straight-line method over the following estimated useful lives:

Category	Years
Computer equipment and software	3–5
Machinery and other equipment	3–5
Transportation equipment	1.5–10
Buildings	10–40
Furniture and fixtures	5

Schedule of Management Reimbursement Revenue by Segment

	Years Ended October 31,
(in millions)	2020		2019		2018
Business & Industry	$	221.4	$	283.1	$	276.6
Aviation	74.3		95.5		99.9
Total	$	295.6	$	378.7	$	376.4

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The impact of adoption of Topic 842 on our Consolidated Balance Sheet was as follows:

(in millions)	Balance at October 31, 2019		Adjustments Due to Adoption of Topic 842		Balance at November 1, 2019
ASSETS
Right-of-use assets(1)	$	—	$	167.5	$	167.5
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of lease liabilities(2)	$	—	$	36.3	$	36.3
Other accrued liabilities(3)	158.2		(3.0)		155.2
Long-term lease liabilities(4)	—		154.2		154.2
Other noncurrent liabilities(5)	78.8		(20.0)		58.8

(1) Represents capitalization of operating lease assets and reclassification of prepaid rent, deferred rent, lease exit impairment liabilities, and lease incentives and tenant improvements on operating leases.

(2) Represents the recognition of short-term operating lease liabilities.

(3) Represents short-term deferred rent reclassified to ROU assets.

(4) Represents the recognition of long-term operating lease liabilities.

(5) Represents long-term deferred rent, lease incentives and tenant improvements, and lease exit impairment liabilities reclassified to ROU assets.