Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (55.1)	$ (20.9)
Other comprehensive loss, net of tax:
Designated hedge losses	(89.3)	(27.4)
Defined benefit plan actuarial gain (loss)	2.0	(0.1)
Foreign currency translation	(66.7)	7.3
Total other comprehensive loss	(154.0)	(20.2)
Total comprehensive loss	$ (209.1)	$ (41.1)