Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Statement of Comprehensive Income [Abstract]
Net earnings	$ 60.9	$ 58.0
Other comprehensive income (loss):
Foreign currency translation loss	(5.1)	(12.4)
Pension liability adjustment, net of deferred taxes of $(0.5) and $(1.0), respectively	0.8	2.4
Gain on hedging derivatives, net of deferred taxes of $(1.9) and $(0.5), respectively	2.3	1.0
Comprehensive income	$ 58.9	$ 49.0