Supplemental Data (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Supplemental Data
Repairs and maintenance costs	$ 101.9	$ 90.3	$ 74.8
Noncash investing and financing activities:
Treasury shares issued in connection with acquisition of business		415.5
Interest payments	23.6	21.4	18.3
Income tax payments, net	51.2	18.5	11.5
Foreign currency translation adjustment	(20.2)	(24.9)	(7.7)
Pension and post-retirement benefits, net of tax	(273.6)	(354.1)	(227.7)
Net unrealized losses on derivatives, net of tax	(41.5)	(32.8)	2.6
Unrealized losses on marketable securities, net of tax	(0.4)	(0.7)	(0.5)
Total accumulated other comprehensive Loss, net of tax	$ (335.7)	$ (412.5)	$ (233.3)