Income Taxes (Narratives) (Details) $ in Millions	3 Months Ended
	Sep. 30, 2017 USD ($)
Income Tax Disclosure [Abstract]
Federal statutory rate, blended rate for next fiscal year	31.55%
Provisional benefit amount	$ 339.2
Deferred tax assets, effect of Tax Cuts and Jobs Act, tax expense (benefit)	349.2
Provisional tax expense for foreign tax credits	10.0
Provisional tax benefit	5.1
Provisional amount, reduction in tax expense	9.1
Phase three tax, increase in income tax expense	4.0
Income tax expense (benefit) continuing operations	$ 5.4