CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Capital in Excess of Par Value	Reinvested Earnings	Common Stock in Treasury	Accumulated Other Comprehensive (Loss) Income
Balances, period start at Jun. 30, 2017	$ 1,198.6	$ 276.7	$ 284.8	$ 1,321.8	$ (341.6)	$ (343.1)
Increase (Decrease) in Stockholders' Equity
Net income	145.7			145.7
Pension and postretirement benefits gain, net of tax	6.7					6.7
Marketable securities gain, net of tax	0.0
Net (loss) gain on derivative instruments, net of tax	24.4					24.4
Foreign currency translation	4.0					4.0
Cash Dividends:
Common	(25.8)			(25.8)
Share-based compensation plans	13.0		11.2		1.8
Stock options exercised	4.5	0.7	3.8
Balances, period end at Mar. 31, 2018	1,371.1	277.4	299.8	1,441.7	(339.8)	(308.0)
Balances, period start at Dec. 31, 2017						(315.1)
Increase (Decrease) in Stockholders' Equity
Net income	30.2
Pension and postretirement benefits gain, net of tax	2.1
Marketable securities gain, net of tax	0.0
Net (loss) gain on derivative instruments, net of tax	1.3
Foreign currency translation	3.7
Balances, period end at Mar. 31, 2018	1,371.1	277.4	299.8	1,441.7	(339.8)	(308.0)
Balances, period start at Jun. 30, 2018	1,485.9	278.6	310.0	1,475.9	(338.8)	(239.8)
Increase (Decrease) in Stockholders' Equity
Net income	118.1			118.1
Pension and postretirement benefits gain, net of tax	5.1					5.1
Marketable securities gain, net of tax	0.3					0.3
Net (loss) gain on derivative instruments, net of tax	(35.2)					(35.2)
Foreign currency translation	(0.9)					(0.9)
Cash Dividends:
Common	(28.9)			(28.9)
Share-based compensation plans	9.5		6.3		3.2
Stock options exercised	3.7	0.4	3.3
Balances, period end at Mar. 31, 2019	1,557.6	279.0	319.6	1,566.1	(335.6)	(271.5)
Balances, period start at Dec. 31, 2018						(277.5)
Increase (Decrease) in Stockholders' Equity
Net income	51.1
Pension and postretirement benefits gain, net of tax	1.7
Marketable securities gain, net of tax	0.0
Net (loss) gain on derivative instruments, net of tax	3.2
Foreign currency translation	1.1
Balances, period end at Mar. 31, 2019	$ 1,557.6	$ 279.0	$ 319.6	$ 1,566.1	$ (335.6)	$ (271.5)