Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Apr. 30, 2019	Apr. 30, 2018
Cash flows from operating activities
Net income	$ 42.7	$ 54.4
Loss (income) from discontinued operations, net of taxes	0.2	(1.1)
Income from continuing operations	42.9	53.3
Adjustments to reconcile income from continuing operations to net cash provided by operating activities of continuing operations
Depreciation and amortization	53.9	57.5
Proceeds from termination of interest rate swaps	0.0	25.9
Deferred income taxes	(4.4)	(23.3)
Share-based compensation expense	8.8	8.3
Provision for bad debt	2.4	3.9
Discount accretion on insurance claims	0.4	0.4
Loss on sale of assets	0.1	0.4
Income from unconsolidated affiliates	(1.7)	(1.6)
Distributions from unconsolidated affiliates	3.5	0.1
Changes in operating assets and liabilities, net of effects of acquisitions
Trade accounts receivable and costs incurred in excess of amounts billed	(90.0)	28.7
Prepaid expenses and other current assets	(12.3)	0.4
Other noncurrent assets	(6.5)	1.3
Trade accounts payable and other accrued liabilities	22.8	(37.2)
Insurance claims	18.1	9.7
Income taxes payable	13.5	2.6
Other noncurrent liabilities	5.0	1.7
Total adjustments	13.6	78.8
Net cash provided by operating activities of continuing operations	56.5	132.2
Net cash (used in) provided by operating activities of discontinued operations	(0.2)	1.1
Net cash provided by operating activities	56.3	133.3
Cash flows from investing activities
Additions to property, plant and equipment	(27.5)	(22.1)
Proceeds from sale of assets	0.4	0.2
Adjustments to purchase and sale of business	0.0	(1.8)
Investments in unconsolidated affiliates	0.0	(0.6)
Net cash used in investing activities	(27.1)	(24.4)
Cash flows from financing activities
Taxes withheld from issuance of share-based compensation awards, net	(0.7)	(0.7)
Dividends paid	(23.8)	(23.0)
Deferred financing costs paid	0.0	(0.1)
Borrowings from credit facility	665.8	468.5
Repayment of borrowings from credit facility	(653.8)	(541.0)
Changes in book cash overdrafts	(4.1)	(4.8)
Financing of energy savings performance contracts	3.4	0.0
Repayment of capital lease obligations	(1.8)	(1.7)
Net cash used in financing activities	(15.0)	(102.7)
Effect of exchange rate changes on cash and cash equivalents	0.4	0.8
Net increase in cash and cash equivalents	14.6	6.9
Cash and cash equivalents at beginning of year	39.1	62.8
Cash and cash equivalents at end of year	$ 53.7	$ 69.7