Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 31, 2016	Oct. 31, 2015
Deferred tax assets:
Self-insurance claims (net of recoverables)	$ 108.4	$ 109.5
Deferred and other compensation	33.4	35.5
Impairment loss on assets held for sale	9.2	0.0
Accounts receivable allowances	6.6	2.9
Settlement liabilities	2.6	3.5
Other accruals	2.9	2.6
Other comprehensive income	1.5	1.3
State taxes	0.6	0.5
State net operating loss carryforwards	5.7	5.9
Tax credits	9.9	7.4
Other	2.5	0.4
Deferred Tax Assets, Gross, Total	183.3	169.5
Valuation allowance	(5.4)	(5.5)
Total deferred tax assets	177.9	164.0
Deferred tax liabilities:
Property, plant and equipment	(2.2)	(0.4)
Goodwill and other acquired intangibles	(141.8)	(129.5)
Total deferred tax liabilities	(144.0)	(129.9)
Net deferred tax assets	$ 33.9	$ 34.1