Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Cash flows from operating activities
Net (loss) income	$ (56.8)	$ 14.0
Net loss (income) from discontinued operations	72.9	(0.4)
Income from continuing operations	16.1	13.6
Adjustments to reconcile income from continuing operations to net cash used in operating activities of continuing operations
Depreciation and amortization	14.0	14.3
Deferred income taxes	9.9	(8.1)
Share-based compensation expense	3.6	4.0
Provision for bad debt	0.4	2.1
Discount accretion on insurance claims	0.1	0.1
Gain on sale of assets	(0.1)	(0.1)
Income from unconsolidated affiliates, net	(1.4)	(2.4)
Distributions from unconsolidated affiliates	0.8	2.6
Changes in operating assets and liabilities, net of effects of acquisitions
Trade accounts receivable	(65.4)	(20.9)
Prepaid expenses and other current assets	(2.4)	(6.7)
Other noncurrent assets	(7.5)	(1.3)
Trade accounts payable and other accrued liabilities	18.1	(15.5)
Insurance claims	8.3	5.3
Income taxes payable	(11.0)	4.7
Other noncurrent liabilities	6.8	1.7
Total adjustments	(25.8)	(20.2)
Net cash used in operating activities of continuing operations	(9.7)	(6.6)
Net cash used in operating activities of discontinued operations	(1.4)	(23.2)
Net cash used in operating activities	(11.1)	(29.8)
Cash flows from investing activities
Additions to property, plant and equipment	(11.0)	(6.8)
Proceeds from sale of assets	0.5	0.2
Purchase of businesses, net of cash acquired	(18.6)	(81.0)
Net cash used in investing activities	(29.1)	(87.6)
Cash flows from financing activities
(Taxes withheld) and proceeds from issuance of share-based compensation awards, net	(1.0)	(1.4)
Incremental tax benefit from share-based compensation awards	0.0	0.5
Repurchases of common stock	(7.9)	(11.3)
Dividends paid	(9.4)	(9.2)
Deferred financing costs paid	0.0	(0.1)
Borrowings from line of credit	207.4	299.6
Repayment of borrowings from line of credit	(169.7)	(170.9)
Changes in book cash overdrafts	5.1	8.0
Financing of energy savings performance contracts	2.6	4.5
Repayment of capital lease obligations	(0.1)	(0.3)
Net cash provided by financing activities	27.0	119.4
Effect of exchange rate changes on cash and cash equivalents	0.5	(1.6)
Net (decrease) increase in cash and cash equivalents	(12.7)	0.4
Change in cash related to assets held for sale	(0.7)	0.0
Cash and cash equivalents at beginning of year	56.0	55.5
Cash and cash equivalents at end of period	$ 42.6	$ 55.9