Unrecognized Tax Benefits (Details) $ in Millions	6 Months Ended
	Dec. 31, 2017 USD ($)
Income Tax Contingency [Line Items]
Total charges for Tax Cuts and Jobs Act	$ 24.9
Re-measurement of deferred tax assets and liabilities related to Tax Cuts and Jobs Act	18.7
Tax expense related to the deemed repatriation of previously undistributed foreign earnings related to the Tax Cuts and Jobs Act	6.2
Estimated tax impact of removal of permanent reinvestment assertion of foreign earnings	25.0
Foreign earnings the Company has yet to determine whether it intends to change its prior assertion and repatriate earnings	$ 95.0