CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Cash flows from operating activities
Net income	$ 44.7	$ 38.5
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	26.9	30.5
Deferred income taxes	3.7	9.6
Share-based compensation expense	8.2	6.9
Provision for (Recovery of) bad debt	2.0	(0.9)
Discount accretion on insurance claims	0.1	0.1
Gain on sale of assets	(0.1)	(0.2)
Income from unconsolidated affiliates	(1.3)	(1.1)
Distributions from unconsolidated affiliates	1.8	0.0
Changes in operating assets and liabilities
Trade accounts receivable and costs incurred in excess of amounts billed	(0.2)	(51.0)
Prepaid expenses and other current assets	(26.3)	(18.7)
Right-of-use assets	4.4	2.1
Other noncurrent assets	(29.8)	23.7
Trade accounts payable and other accrued liabilities	(76.7)	(111.5)
Long-term lease liabilities	(2.9)	(2.7)
Insurance claims	43.2	12.5
Income taxes payable, net	2.1	(9.4)
Other noncurrent liabilities	(0.1)	0.7
Total adjustments	(44.8)	(109.4)
Net cash used in operating activities	(0.1)	(70.9)
Cash flows from investing activities
Additions to property, plant and equipment	(13.6)	(13.8)
Proceeds from sale of assets	0.5	1.3
Net cash used in investing activities	(13.1)	(12.5)
Cash flows from financing activities
Taxes withheld from issuance of share-based compensation awards, net	(9.5)	(12.7)
Dividends paid	(14.1)	(14.4)
Borrowings from debt	301.0	264.5
Repayment of borrowings from debt	(284.1)	(147.6)
Changes in book cash overdrafts	8.2	6.8
Financing of energy savings performance contracts	0.0	0.4
Repayment of finance lease obligations	(1.0)	(0.8)
Net cash provided by financing activities	0.5	96.2
Effect of exchange rate changes on cash and cash equivalents	1.2	2.2
Net (decrease) increase in cash and cash equivalents	(11.5)	14.9
Cash and cash equivalents at beginning of year	69.5	73.0
Cash and cash equivalents at end of period	$ 58.0	$ 87.9