CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Statement of Cash Flows [Abstract]
Proceeds received from issuance of long-term debt	$ 3.0	$ 550.0
Proceeds from Short-term Debt	0.0	100.0
Proceeds from (Repayments of) Commercial Paper	0.0	171.4
Repayment of long-term debt	(2.8)	(450.0)
Repayments of Short-term Debt	0.0	(100.0)
Acquisition-related and integration charges	3.5	9.2
Payments to Acquire Businesses, Net of Cash Acquired	0.0	(672.3)
Operating activities:
Net income attributable to common shareholders	173.4	149.4
Noncontrolling interests in subsidiaries' earnings	(0.1)	0.0
Net income before allocation to noncontrolling interests	173.5	149.4
Loss on deconsolidation of joint venture	1.2	0.0
Unrealized Gain (Loss) on Investments	(3.1)
Depreciation and amortization	56.3	56.3
Stock-based compensation expense	11.2	11.2
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits	(4.0)	(7.7)
Deferred income taxes	10.8	11.0
Cash used for working capital	(171.4)	(45.8)
Defined benefit plans and postretirement contributions	(5.1)	(16.5)
Payments for Environmental Liabilities	(4.0)	(4.2)
Payments for asbestos-related fees and costs, net of insurance recoveries	(17.9)	(34.9)
Other	5.0	12.6
Total provided by operating activities	52.5	131.4
Investing activities:
Capital expenditures	(36.1)	(44.0)
Proceeds from disposition of capital assets	0.9	0.5
Impact of deconsolidation of joint venture	(0.2)	0.0
Total used for investing activities	(44.2)	(715.8)
Payments to Acquire Marketable Securities	(8.8)
Financing activities:
Dividends paid	(46.7)	(41.8)
Payments for Repurchase of Common Stock		(25.0)
Stock options exercised - net of shares reacquired	1.2	5.0
Proceeds received from credit facility	0.0	(5.4)
Total provided by financing activities	(45.3)	204.2
Effect of exchange rates on cash and cash equivalents	0.6	(7.8)
Increase (Decrease) in cash and cash equivalents	(36.4)	(388.0)
Cash and cash equivalents at beginning of period	343.4	706.2
Cash and cash equivalents at end of period	307.0	318.2
Detail of cash used for working capital:
Accounts receivable	(29.9)	(17.3)
Inventories	(26.3)	(31.8)
Other current assets	(6.7)	(11.8)
Accounts payable	(54.2)	(22.1)
Accrued liabilities	(70.1)	37.8
U.S. and foreign taxes on income	15.8	(0.6)
Total	(171.4)	(45.8)
Supplemental disclosure of cash flow information:
Interest paid	24.0	21.9
Income taxes paid	$ 24.1	$ 29.5