Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Statement of Comprehensive Income [Abstract]
Net earnings	$ 60.1	$ 54.8	$ 164.6	$ 131.3
Foreign currency translation gain (loss)	10.7	31.2	(10.1)	1.8
Net gain (loss) on hedging derivatives, net of deferred taxes of $0.1, $0.1, $(0.3) and $0.3, respectively	0.2	(0.2)	0.9	(0.9)
Pension and postretirement liability adjustment, net of deferred taxes of $(0.5), $(3.6), $(2.3) and $7.1, respectively	0.5	8.2	4.2	(9.1)
Total comprehensive income	$ 71.5	$ 94.0	$ 159.6	$ 123.1