CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended
Apr. 30, 2019	Apr. 30, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 125.2	$ 142.3
Other comprehensive (loss) earnings, net of tax
Foreign currency translation adjustments, net of tax	(24.2)	(25.0)
Unrealized gain (loss) on hedging instruments	8.8	(7.3)
Unrealized gain on benefit plans	2.2	2.4
Total other comprehensive loss, net of tax	(13.2)	(29.9)
Comprehensive earnings	$ 112.0	$ 112.4

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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