CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 61.9	$ 65.0
Other comprehensive income (loss):
Foreign currency translation (loss) income	(5.0)	8.1
Pension liability adjustment, net of deferred taxes of $(1.5) and $0.1, respectively	6.1	0.8
Gain on hedging derivatives, net of deferred taxes of $0.0 and $0.2, respectively	0.3	0.3
Reclassifications of (gains) losses on hedging derivatives to net earnings, net of taxes of $(0.2) and $(0.7), respectively	(0.2)	1.2
Total derivatives	0.1	1.5
Net other comprehensive income	1.2	10.4
Comprehensive income	$ 63.1	$ 75.4