CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Sep. 30, 2016
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	55.5	272.7
Repayment of long-term debt	(1.4)	(250.0)
Repayments of Short-term Debt	0.0	(100.0)
Acquisition-related and integration charges	1.1	5.2
Payments to Acquire Businesses, Net of Cash Acquired	0.0	(672.3)
Operating activities:
Net income attributable to common shareholders	82.4	68.7
Noncontrolling interests in subsidiaries' earnings	(0.1)	0.0
Net income before allocation to noncontrolling interests	82.5	68.7
Loss on deconsolidation of joint venture	1.2		$ 0.0
Depreciation and amortization	27.7	27.9
Stock-based compensation expense	5.5	5.6
Increase (Decrease) in Obligation, Pension and Other Postretirement Benefits	(2.0)	(3.9)
Deferred income taxes	5.4	12.7
Cash used for working capital	203.4	29.5
Defined benefit plans and postretirement contributions	(4.3)	(4.5)
Payments for Environmental Liabilities	(1.6)	(2.3)
Payments for asbestos-related fees and costs, net of insurance recoveries	9.7	2.9
Other	(1.7)	2.4
Total provided by operating activities	(100.4)	74.2
Investing activities:
Capital expenditures	(19.8)	(27.5)
Proceeds from disposition of capital assets	0.0	0.3
Impact of deconsolidation of joint venture	(0.2)	0.0
Total used for investing activities	(20.0)	(699.5)
Financing activities:
Dividends paid	(23.4)	(20.9)
Stock options exercised - net of shares reacquired	(0.4)	4.5
Proceeds received from credit facility	0.0	(5.4)
Total provided by financing activities	33.3	550.9
Effect of exchange rates on cash and cash equivalents	0.5	10.5
Increase (Decrease) in cash and cash equivalents	(86.6)	(63.9)
Cash and cash equivalents at beginning of period	343.4	706.2
Cash and cash equivalents at end of period	256.8	642.3
Detail of cash used for working capital:
Accounts receivable	(65.4)	50.1
Inventories	(29.9)	(12.6)
Other current assets	(7.6)	(3.9)
Accounts payable	(65.9)	(53.6)
Accrued liabilities	(45.6)	(6.8)
U.S. and foreign taxes on income	11.0	(2.7)
Total	(203.4)	(29.5)
Supplemental disclosure of cash flow information:
Interest paid	9.1	4.4
Income taxes paid	$ 5.5	$ 5.6