Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Apr. 30, 2016	Apr. 30, 2015
Cash flows from operating activities:
Net income		$ 18.4	$ 36.0
Net loss (income) from discontinued operations		2.0	(5.7)
Income from continuing operations		20.4	30.3
Adjustments to reconcile income from continuing operations to net cash provided by operating activities of continuing operations:
Depreciation and amortization		29.2	27.9
Deferred income taxes		8.0	6.0
Share-based compensation expense		7.4	7.8
Provision for bad debt		9.8	0.0
Discount accretion on insurance claims		0.1	0.1
Gain on sale of assets		(0.1)	(2.2)
Income from unconsolidated affiliates, net		(3.3)	(3.7)
Distributions from unconsolidated affiliates		4.5	4.6
Changes in operating assets and liabilities, net of effects of acquisitions:
Trade accounts receivable		12.4	(11.5)
Prepaid expenses and other current assets		3.4	(1.4)
Other noncurrent assets		(0.9)	(0.1)
Trade accounts payable and other accrued liabilities		(10.7)	(6.4)
Insurance claims		7.3	(6.0)
Income taxes payable		(11.6)	(7.8)
Other noncurrent liabilities		2.6	2.3
Total adjustments		58.1	9.6
Net cash provided by operating activities of continuing operations		78.5	39.9
Net cash used in operating activities of discontinued operations	[1]	(22.5)	(0.9)
Net cash provided by operating activities		56.0	39.0
Cash flows from investing activities:
Additions to property, plant and equipment		(15.7)	(13.8)
Proceeds from sale of assets		0.4	4.2
Purchase of businesses, net of cash acquired		(81.0)	(4.2)
Proceeds from redemption of auction rate security		5.0	0.0
Net cash used in investing activities of continuing operations		(91.3)	(13.8)
Net cash used in investing activities of discontinued operations		(3.1)	(0.1)
Net cash used in investing activities		(94.4)	(13.9)
Cash flows from financing activities:
Proceeds from issuance of share-based compensation awards, net of taxes withheld		2.6	13.5
Incremental tax benefit from share-based compensation awards		0.5	1.2
Repurchases of common stock		(21.5)	(7.9)
Dividends paid		(18.5)	(17.9)
Deferred financing costs paid		(0.1)	(0.3)
Borrowings from line of credit		536.6	457.3
Repayment of borrowings from line of credit		(485.7)	(470.1)
Financing of energy savings performance contracts		10.5	0.0
Changes in book cash overdrafts		4.8	(5.9)
Repayment of capital lease obligations		(0.6)	(1.3)
Net cash provided by (used in) financing activities		28.6	(31.4)
Net decrease in cash and cash equivalents		(9.8)	(6.3)
Cash and cash equivalents at beginning of year		55.5	36.7
Cash and cash equivalents at end of period		$ 45.7	$ 30.4

[1] During the first quarter of 2016, we paid $20.6 million in taxes in connection with the sale of our Security business.