Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2018	Apr. 30, 2017
Cash flows from operating activities
Net income (loss)	$ 54.4	$ (25.5)
(Income) loss from discontinued operations, net of taxes	(1.1)	73.2
Income from continuing operations	53.3	47.7
Adjustments to reconcile income from continuing operations to net cash provided by operating activities of continuing operations
Depreciation and amortization	57.5	28.5
Proceeds from termination of interest rate swaps	25.9	0.0
Impairment recovery	0.0	(17.4)
Deferred income taxes	(23.3)	9.7
Share-based compensation expense	8.3	7.3
Provision for bad debt	3.9	2.0
Discount accretion on insurance claims	0.4	0.1
Loss (gain) on sale of assets	0.4	(0.1)
Income from unconsolidated affiliates, net	(1.6)	(2.3)
Distributions from unconsolidated affiliates	0.1	0.8
Changes in operating assets and liabilities, net of effects of acquisitions
Trade accounts receivable	28.7	(47.3)
Prepaid expenses and other current assets	0.4	(2.7)
Other noncurrent assets	1.3	(6.4)
Trade accounts payable and other accrued liabilities	(37.2)	1.1
Insurance claims	9.7	15.6
Income taxes payable	2.6	5.1
Other noncurrent liabilities	1.7	8.4
Total adjustments	78.8	2.4
Net cash provided by operating activities of continuing operations	132.2	50.1
Net cash provided by (used in) operating activities of discontinued operations	1.1	(2.0)
Net cash provided by operating activities	133.3	48.1
Cash flows from investing activities
Additions to property, plant and equipment	(22.1)	(27.8)
Proceeds from sale of assets	0.2	0.4
Adjustments to purchase and sale of business	(1.8)	0.0
Purchase of businesses, net of cash acquired	0.0	(18.6)
Investments in unconsolidated affiliates	(0.6)	0.0
Net cash used in investing activities	(24.4)	(46.0)
Cash flows from financing activities
(Taxes withheld) and proceeds from issuance of share-based compensation awards, net	(0.7)
Proceeds from issuance of share-based compensation awards, net		0.8
Repurchases of common stock	0.0	(7.9)
Dividends paid	(23.0)	(18.9)
Deferred financing costs paid	(0.1)	0.0
Borrowings from credit facility	468.5	441.9
Repayment of borrowings from credit facility	(541.0)	(432.3)
Changes in book cash overdrafts	(4.8)	17.2
Financing of energy savings performance contracts	0.0	2.6
Payment for Contingent Consideration Liability, Financing Activities	0.0	3.8
Repayment of capital lease obligations	(1.7)	(0.1)
Net cash used in financing activities	(102.7)	(0.5)
Effect of exchange rate changes on cash and cash equivalents	0.8	0.6
Net increase in cash and cash equivalents	6.9	2.2
Cash and cash equivalents at beginning of year	62.8	53.5
Cash and cash equivalents at end of period	$ 69.7	$ 55.7