Condensed Consolidated Statements Of Comprehensive Earnings (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net earnings (loss)	$ 185.7	$ 189.8	$ 245.9	$ (3.7)
Other comprehensive earnings (loss), before tax:
Foreign currency translation adjustment	687.7	(748.9)	483.1	(890.8)
Change in unrecognized (loss) gain and prior service cost related to defined benefit plans	(1.6)	(0.7)	3.4	(0.5)
Net unrealized gain on marketable securities	0.0	0.1	0.8	0.7
Other comprehensive earnings (loss), before tax	603.9	(648.3)	367.4	(732.2)
Income tax provision (benefit)	2.8	1.2	(6.0)	14.1
Other comprehensive earnings (loss), net of tax	601.1	(649.5)	373.4	(746.3)
Comprehensive earnings (loss)	786.8	(459.7)	619.3	(750.0)
Cash Flow Hedging
Other comprehensive earnings (loss), before tax:
Other comprehensive income (loss), derivatives qualifying as hedges, before tax	32.5	(10.6)	(0.2)	24.8
Net Investment Hedging
Other comprehensive earnings (loss), before tax:
Other comprehensive income (loss), derivatives qualifying as hedges, before tax	$ (114.7)	$ 111.8	$ (119.7)	$ 133.6