Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 69.9	$ 60.1	$ 77.9	$ 164.6
Other comprehensive (loss) income:
Foreign currency translation (loss) income	(23.2)	10.7	27.2	(10.1)
Pension liability adjustment, net of deferred taxes of $(0.6), $(0.5), $(1.5) and $(2.3), respectively	1.6	0.5	2.6	4.2
Gain on hedging derivatives, net of deferred taxes of $(0.6), $0.1, $(1.5) and $(0.3), respectively	1.1	0.2	2.8	0.9
Comprehensive income	$ 49.4	$ 71.5	$ 110.5	$ 159.6