Revenue - Contract Liability (Details) $ in Millions	3 Months Ended
	Sep. 30, 2020 USD ($)
Change In Contract With Customer, Liability [Roll Forward]
Contract liability, July 1, 2020	$ 522.7
Recognition of revenue included in beginning of year contract liability	(43.8)
Contract liability, net of revenue recognized on contracts during the period	30.7
Currency translation adjustments	16.2
Contract liability, September 30, 2020	$ 525.8