Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Cash flows from operating activities
Net income (loss)	$ 27.8	$ (56.8)
Loss from discontinued operations, net of taxes	0.1	72.9
Income from continuing operations	28.0	16.1
Adjustments to reconcile income from continuing operations to net cash provided by (used in) operating activities of continuing operations
Depreciation and amortization	29.0	14.0
Deferred income taxes	(30.3)	9.9
Share-based compensation expense	3.8	3.6
Provision for bad debt	2.6	0.4
Discount accretion on insurance claims	0.2	0.1
Gain on sale of assets	(0.1)	(0.1)
Income from unconsolidated affiliates, net	(0.5)	(1.4)
Distributions from unconsolidated affiliates	0.0	0.8
Changes in operating assets and liabilities, net of effects of acquisitions
Trade accounts receivable	15.7	(65.4)
Prepaid expenses and other current assets	1.4	(2.4)
Other noncurrent assets	(1.7)	(7.5)
Trade accounts payable and other accrued liabilities	(33.2)	18.1
Insurance claims	5.8	8.3
Income taxes payable	10.9	(11.0)
Other noncurrent liabilities	2.2	6.8
Total adjustments	5.8	(25.8)
Net cash provided by (used in) operating activities of continuing operations	33.8	(9.7)
Net cash used in operating activities of discontinued operations	(0.1)	(1.4)
Net cash provided by (used in) operating activities	33.7	(11.1)
Cash flows from investing activities
Additions to property, plant and equipment	(10.6)	(11.0)
Proceeds from sale of assets	0.3	0.5
Adjustments to sale of business	(1.9)	0.0
Purchase of businesses, net of cash acquired	(2.4)	(18.6)
Investments in unconsolidated affiliates	(0.6)	0.0
Net cash used in investing activities	(15.3)	(29.1)
Cash flows from financing activities
Taxes withheld from issuance of share-based compensation awards, net	(2.0)	(1.0)
Repurchases of common stock	0.0	(7.9)
Dividends paid	(11.5)	(9.4)
Deferred financing costs paid	(0.1)	0.0
Borrowings from credit facility	304.3	207.4
Repayment of borrowings from credit facility	(303.0)	(169.7)
Changes in book cash overdrafts	(1.2)	5.1
Financing of energy savings performance contracts	0.0	2.6
Repayment of capital lease obligations	(0.8)	(0.1)
Net cash (used in) provided by financing activities	(14.3)	27.0
Effect of exchange rate changes on cash and cash equivalents	1.7	0.5
Net increase (decrease) in cash and cash equivalents	5.8	(12.7)
Change in cash related to assets held for sale	0.0	(0.7)
Cash and cash equivalents at beginning of year	62.8	56.0
Cash and cash equivalents at end of period	$ 68.6	$ 42.6