Condensed Consolidated Statements Of Comprehensive Earnings - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net earnings	$ 87.1	$ 66.4
Other comprehensive earnings (loss), before tax:
Foreign currency translation adjustment	261.9	434.2
Change in unrecognized gain (loss) and prior service cost related to defined benefit plans	(4.3)	0.0
Net unrealized (loss) gain on marketable securities	(0.4)	7.7
Other comprehensive earnings, before tax	166.0	464.4
Income tax (benefit) provision	(11.2)	13.7
Other comprehensive earnings, net of tax	177.2	450.7
Comprehensive earnings	264.3	517.1
Cash Flow Hedging
Other comprehensive earnings (loss), before tax:
Net unrecognized gain (loss) on derivatives	(32.0)	32.4
Net Investment Hedging
Other comprehensive earnings (loss), before tax:
Net unrecognized gain (loss) on derivatives	$ (59.2)	$ (9.9)