CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating activities from continuing operations:
Net income from continuing operations attributable to common shareholders	$ 325.5	$ 120.3
Gain on sale of property	(18.5)	0.0
Depreciation and amortization	89.8	92.6
Stock-based compensation expense	18.3	15.8
Defined benefit plans and postretirement credit	(6.0)	(4.5)
Deferred income taxes	(4.4)	7.5
Cash used for operating working capital	(36.5)	(2.3)
Defined benefit plans and postretirement contributions	(22.8)	(3.1)
Environmental payments, net of reimbursements	(4.6)	(2.9)
Asbestos related payments, net of insurance recoveries	(29.6)	(23.7)
Other	0.5	(2.7)
Total provided by operating activities from continuing operations	311.7	197.0
Investing activities from continuing operations:
Payment for acquisition - net of cash acquired	0.0	(169.2)
Proceeds from disposition of capital assets	23.3	3.9
Capital expenditures	(25.3)	(20.0)
Purchase of marketable securities	(10.0)	(60.0)
Proceeds from sale of marketable securities	40.0	0.0
Total provided by (used for) investing activities from continuing operations	28.0	(245.3)
Financing activities from continuing operations:
Dividends paid	(75.5)	(75.4)
Reacquisition of shares on open market	0.0	(70.0)
Stock options exercised, net of shares reacquired	9.9	4.2
Debt issuance costs	0.0	(1.3)
Proceeds from issuance of commercial paper with maturities greater than 90 days	0.0	251.3
Repayments of commercial paper with maturities greater than 90 days	(27.1)	(188.6)
Repayments from issuance of commercial paper with maturities of 90 days or less	0.0	(76.8)
Proceeds from revolving credit facility	0.0	77.2
Repayments of revolving credit facility	0.0	(77.2)
Proceeds from term loan	0.0	343.9
Repayment of term loan	(348.1)	0.0
Total (used for) provided by financing activities from continuing operations	(440.8)	187.3
Discontinued operations:
Total provided by operating activities	15.3	11.1
Total used for investing activities	(1.4)	(0.6)
Increase in cash and cash equivalents from discontinued operations	13.9	10.5
Effect of exchange rates on cash and cash equivalents	(13.0)	1.2
(Decrease) increase in cash and cash equivalents	(100.2)	150.7
Cash and cash equivalents at beginning of period	551.0	393.9
Cash and cash equivalents at end of period	450.8	544.6
Detail of cash used for operating working capital from continuing operations:
Accounts receivable	(97.5)	130.4
Inventories	(21.1)	5.0
Other current assets	(10.6)	(18.7)
Accounts payable	48.5	(88.7)
Accrued liabilities	12.0	(21.2)
U.S. and foreign taxes on income	32.2	(9.1)
Cash used for operating working capital	(36.5)	(2.3)
Supplemental disclosure of cash flow information:
Interest paid	31.2	35.2
Income taxes paid	$ 47.9	$ 42.0