CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 257.0	$ 267.2	$ 180.3
Other comprehensive income (loss):
Foreign currency translation income (loss)	18.7	(26.6)	(7.3)
Pension liability adjustment, net of deferred taxes of $3.3, $5.0 and $(4.7), respectively	(11.0)	(16.1)	12.2
Gain (loss) on hedging derivatives, net of deferred taxes of $0.0, $0.1 and $(1.1), respectively	0.6	(0.5)
Gain (loss) on hedging derivatives, net of deferred taxes of $0.0, $0.1 and $(1.1), respectively			2.3
Reclassification of losses on hedging derivatives to net income, net of taxes of $(0.4), $0.0 and $0.0, respectively	0.6	0.1
Reclassification of losses on hedging derivatives to net income, net of taxes of $(0.4), $0.0 and $0.0, respectively			0.0
Total derivatives	1.2	(0.4)
Total derivatives			2.3
Net other comprehensive income (loss)	8.9	(43.1)	7.2
Comprehensive income	$ 265.9	$ 224.1	$ 187.5