CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2018	Oct. 31, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 94.9	$ 100.2	$ 381.9	$ 308.2
Other comprehensive (loss) earnings, net of tax
Foreign currency translation adjustments	(25.6)	(10.0)	(83.9)	41.3
Unrealized (loss) on marketable securities	0.0	(1.3)	0.0	(1.6)
Unrealized gain (loss) on hedging instruments	1.9	1.6	(5.8)	(0.4)
Unrealized gain on benefit plans	2.7	2.0	8.2	6.0
Total other comprehensive (loss) earnings, net of tax	(21.0)	(7.7)	(81.5)	45.3
Comprehensive earnings	$ 73.9	$ 92.5	$ 300.4	$ 353.5

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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