Consolidated Statements of Comprehensive Earnings - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net loss	$ (1,269.1)	$ (669.9)	$ 16.8
Other comprehensive (loss) earnings, before tax:
Foreign currency translation adjustment	(1,340.9)	1,213.0	(415.5)
Change in unrecognized loss and prior service cost related to defined benefit plans	73.9	(14.0)	(24.8)
Net unrealized (loss) gain on marketable securities	(1.1)	0.6	0.5
Other comprehensive (loss) earnings, before tax	(775.2)	912.6	(343.1)
Income tax provision (benefit)	111.1	(26.6)	9.2
Other comprehensive (loss) earnings, net of tax	(886.3)	939.2	(352.3)
Comprehensive earnings	(2,155.4)	269.3	(335.5)
Cash flow hedging relationships
Other comprehensive (loss) earnings, before tax:
Net unrecognized gain (loss) on derivatives in hedging relationships	36.1	18.2	37.1
Net Investment Hedging
Other comprehensive (loss) earnings, before tax:
Net unrecognized gain (loss) on derivatives in hedging relationships	$ 456.8	$ (305.2)	$ 59.6