Revenue (Contract Liability) (Details) $ in Millions	3 Months Ended
	Sep. 30, 2019 USD ($)
Change In Contract With Customer, Liability [Roll Forward]
Contract liability, July 1, 2019	$ 563.4
Recognition of revenue included in beginning of year contract liability	(45.4)
Contract liability, net of revenue recognized on contracts during the period	31.2
Currency adjustments	(4.5)
Contract liability, September 30, 2019	$ 544.7