Income Taxes (Details 4) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Income Taxes
Deferred tax assets, pensions	$ 82.7	$ 96.5
Deferred tax assets, postretirement provisions	66.9	64.6
Deferred tax assets, net operating loss carryforwards	20.6	21.3
Deferred tax assets, Derivatives and hedging activities		25.2
Deferred tax assets, other	35.0	32.6
Gross deferred tax assets	205.2	240.2
Deferred tax assets, valuation allowances	(17.8)	(19.2)
Net deferred tax assets	187.4	221.0
Deferred tax liabilities, depreciation	(232.3)	(227.4)
Deferred tax liabilities, intangible assets	(37.5)	(43.0)
Deferred tax liabilities, inventories	(28.8)	(21.1)
Deferred tax liabilities, Other	(4.0)
Total deferred tax liabilities	(302.6)	(291.5)
Deferred tax liabilities	(115.2)	(70.5)
Undistributed earnings of foreign subsidiaries	$ 128.4