Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2018	Oct. 31, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 73.8	$ 60.9
Other comprehensive (loss) income:
Foreign currency translation loss	(24.2)	(5.1)
Pension liability adjustment, net of deferred taxes of $(0.4) and $(0.5), respectively	1.6	0.8
Gain on hedging derivatives, net of deferred taxes of $(0.2) and $(1.9), respectively	0.5	2.3
Comprehensive income	$ 51.7	$ 58.9