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, 2015	$ 1,325.9	$ 276.2	$ 266.6	$ 1,332.4	$ (221.1)	$ (328.2)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(3.6)			(3.6)
Pension and postretirement benefits gain, net of tax	11.2					11.2
Net loss on derivative instruments, net of tax	(5.5)					(5.5)
Foreign currency translation	2.1					2.1
Cash Dividends:
Common @ $0.54 per share	(26.3)			(26.3)
Purchase of treasury stock	(123.9)				(123.9)
Share-based compensation plans	7.0		6.2		0.8
Stock options exercised	0.3		0.3
Tax windfall (shortfall) on share-based compensation	(0.2)		(0.2)
Balances, period end at Mar. 31, 2016	1,187.0	276.2	272.9	1,302.5	(344.2)	(320.4)
Balances, period start at Dec. 31, 2015						(337.6)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(23.9)
Pension and postretirement benefits gain, net of tax	3.8
Net loss on derivative instruments, net of tax	5.7
Foreign currency translation	7.7
Balances, period end at Mar. 31, 2016	1,187.0	276.2	272.9	1,302.5	(344.2)	(320.4)
Balances, period start at Jun. 30, 2016	1,104.9	276.3	273.5	1,308.9	(343.9)	(409.9)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	21.5			21.5
Pension and postretirement benefits gain, net of tax	28.8					28.8
Net loss on derivative instruments, net of tax	21.8					21.8
Foreign currency translation	(2.1)					(2.1)
Cash Dividends:
Common @ $0.54 per share	(25.6)			(25.6)
Share-based compensation plans	9.7		7.9		1.8
Stock options exercised	2.2	0.4	1.8
Tax windfall (shortfall) on share-based compensation	0.4		0.4
Balances, period end at Mar. 31, 2017	1,161.6	276.7	283.6	1,304.8	(342.1)	(361.4)
Balances, period start at Dec. 31, 2016						(376.9)
Increase (Decrease) in Stockholders' Equity
Net income (loss)	20.7
Pension and postretirement benefits gain, net of tax	5.7
Net loss on derivative instruments, net of tax	7.2
Foreign currency translation	2.6
Balances, period end at Mar. 31, 2017	$ 1,161.6	$ 276.7	$ 283.6	$ 1,304.8	$ (342.1)	$ (361.4)