Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Cash flows from operating activities
Net income (loss)	$ (52.8)	$ 79.4
Income from discontinued operations, net of taxes	(0.1)	0.0
(Loss) income from continuing operations	(52.9)	79.4
Adjustments to reconcile (loss) income from continuing operations to net cash provided by operating activities of continuing operations
Depreciation and amortization	73.2	81.4
Impairment loss	172.8	0.0
Deferred income taxes	(19.4)	(3.8)
Share-based compensation expense	11.1	13.6
Provision for bad debt	19.5	5.0
Amortization of accumulated other comprehensive gain on interest rate swaps	(5.0)	(4.3)
Discount accretion on insurance claims	0.6	0.6
Loss (gain) on sale of assets	1.4	(0.1)
Income from unconsolidated affiliates	(2.0)	(2.4)
Distributions from unconsolidated affiliates	0.1	3.6
Changes in operating assets and liabilities
Trade accounts receivable and costs incurred in excess of amounts billed	148.3	(120.6)
Prepaid expenses and other current assets	(39.3)	(16.1)
Right-of-use assets	10.9
Other noncurrent assets	(2.0)	6.7
Trade accounts payable and other accrued liabilities	(125.6)	41.0
Long-term lease liabilities	(13.1)
Insurance claims	20.2	8.0
Income taxes payable	5.9	13.7
Other noncurrent liabilities	54.2	8.3
Total adjustments	311.6	34.6
Net cash provided by operating activities of continuing operations	258.7	114.0
Net cash provided by operating activities of discontinued operations	0.1	0.0
Net cash provided by operating activities	258.8	114.0
Cash flows from investing activities
Additions to property, plant and equipment	(28.9)	(44.4)
Proceeds from sale of assets	5.8	0.3
Proceeds from redemption of auction rate security	5.0	0.0
Net cash used in investing activities	(18.1)	(44.1)
Cash flows from financing activities
(Taxes withheld) and proceeds from issuance of share-based compensation awards, net	(0.6)	0.7
Repurchases of common stock	(5.1)	0.0
Dividends paid	(37.0)	(35.8)
Deferred financing costs paid	(4.4)	0.0
Borrowings from credit facility	1,052.0	1,219.9
Repayment of borrowings from credit facility	(1,103.1)	(1,236.8)
Changes in book cash overdrafts	31.3	3.4
Financing of energy savings performance contracts	1.5	4.9
Repayment of finance leases	(2.7)
Repayment of finance leases		(2.7)
Net cash used in financing activities	(68.1)	(46.4)
Effect of exchange rate changes on cash and cash equivalents	(1.7)	(2.1)
Net increase in cash and cash equivalents	170.9	21.5
Cash and cash equivalents at beginning of year	58.5	39.1
Cash and cash equivalents at end of year	$ 229.4	$ 60.5