CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Millions	Total	Common Stock	Capital in Excess of Par Value	Reinvested Earnings	Common Stock in Treasury	Accumulated Other Comprehensive (Loss) Income
Balances, beginning of period at Jun. 30, 2013	$ 1,303.1	$ 274.6	$ 254.4	$ 1,217.3	$ (107.5)	$ (335.7)
Increase (Decrease) in Stockholders' Equity
Net income	132.8			132.8
Pension and postretirement benefits gain, net of tax	36.9					36.9
Net gain on derivative instruments, net of tax	49.1					49.1
Foreign currency translation	4.5					4.5
Unrealized gain on marketable securities, net of tax	0.0
Cash Dividends:
Common @ $0.72 per share	(38.5)			(38.5)
Share-based compensation plans	7.0		0.9		6.1
Stock options exercised	7.1	1.2	5.9
Tax windfall (shortfall) on share-based compensation	2.3		2.3
Balances, end of period at Jun. 30, 2014	$ 1,504.3	$ 275.8	263.5	1,311.6	$ (101.4)	(245.2)
Balances, beginning of period (in shares) at Jun. 30, 2013	52,773,060	54,925,335			2,152,275
Common Shares
Stock options exercised (in shares)	236,540	236,540
Share-based compensation plans (in shares)	127,544				127,544
Balances, end of period (in shares) at Jun. 30, 2014	53,137,144	55,161,875			2,024,731
Increase (Decrease) in Stockholders' Equity
Net income	$ 58.7			58.7
Pension and postretirement benefits gain, net of tax	(20.1)					(20.1)
Net gain on derivative instruments, net of tax	(36.1)					(36.1)
Foreign currency translation	(26.9)					(26.9)
Unrealized gain on marketable securities, net of tax	0.1					0.1
Cash Dividends:
Common @ $0.72 per share	(37.9)			(37.9)
Share-based compensation plans	6.9		2.1		$ 4.8
Stock options exercised	2.3	$ 0.4	1.9
Tax windfall (shortfall) on share-based compensation	(0.9)		(0.9)
Purchases of treasury stock	(124.5)				(124.5)
Balances, end of period at Jun. 30, 2015	$ 1,325.9	$ 276.2	266.6	1,332.4	$ (221.1)	(328.2)
Common Shares
Stock options exercised (in shares)	73,067	73,067
Purchase of treasury stock (in shares)	(2,995,272)				(2,995,272)
Share-based compensation plans (in shares)	103,305				103,305
Balances, end of period (in shares) at Jun. 30, 2015	50,318,244	55,234,942			4,916,698
Increase (Decrease) in Stockholders' Equity
Net income	$ 11.3			11.3
Pension and postretirement benefits gain, net of tax	(87.5)					(87.5)
Net gain on derivative instruments, net of tax	6.7					6.7
Foreign currency translation	(0.9)					(0.9)
Unrealized gain on marketable securities, net of tax	0.0
Cash Dividends:
Common @ $0.72 per share	(34.8)			(34.8)
Share-based compensation plans	8.8		7.7		$ 1.1
Stock options exercised	0.5	$ 0.1	0.4
Tax windfall (shortfall) on share-based compensation	(1.2)		(1.2)
Purchases of treasury stock	(123.9)				(123.9)
Balances, end of period at Jun. 30, 2016	$ 1,104.9	$ 276.3	$ 273.5	$ 1,308.9	$ (343.9)	$ (409.9)
Common Shares
Stock options exercised (in shares)	19,627	19,627
Purchase of treasury stock (in shares)	(3,762,200)				(3,762,200)
Share-based compensation plans (in shares)	24,454				24,454
Balances, end of period (in shares) at Jun. 30, 2016	46,600,125	55,254,569			8,654,444