CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016
Statement of Comprehensive Income [Abstract]
Net earnings	$ 115.0	$ 105.7	$ 207.9	$ 193.2
Other comprehensive earnings (loss), net of tax
Foreign currency translation adjustments	39.2	(24.6)	51.3	27.1
Unrealized (loss) gain on marketable securities	(0.4)	0.9	(0.3)	2.0
Unrealized (loss) gain on hedging instruments	(1.0)	8.1	(2.0)	12.4
Net unrealized gain on benefit plans	1.8	2.0	4.0	4.4
Other comprehensive earnings (loss), net of tax	39.6	(13.6)	53.0	45.9
Comprehensive earnings	$ 154.6	$ 92.1	$ 260.9	$ 239.1

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=51831270

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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