Income Taxes-Deferred Tax Assets (Details) - USD ($) $ in Millions	Jun. 30, 2017	Jun. 30, 2016
Deferred income tax assets:
Accrued liabilities	$ 27.4	$ 21.6
Equity compensation	16.4	10.7
Loss and tax credit carryforwards	141.0	155.0
Foreign currency	11.5	18.8
Pension	39.4	45.9
Property-related	9.4	9.3
Intangibles	26.3	8.0
Other	25.7	17.1
Euro Denominated Debt	22.8	0.0
Total deferred income tax assets	319.9	286.4
Valuation allowance	(78.8)	(69.9)
Net deferred income tax assets	241.1	216.5
Deferred income tax liabilities:
Accrued liabilities	(0.8)	(0.6)
Foreign currency	(1.3)	(0.9)
Property-related	(57.6)	(48.1)
Goodwill and other intangibles	(151.1)	(142.2)
Other	(8.1)	(1.0)
Euro Denominated Debt	0.0	(27.6)
Total deferred income tax liabilities	(218.9)	(220.4)
Deferred Tax Assets, Net	$ 22.2
Deferred Tax Liabilities, Net		$ 3.9