CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Non- Controlling Interest	Stock Compensation Plans	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning Balance at Jul. 31, 2018	$ 857.8	$ 758.2	$ 0.0	$ 1,122.1	$ 4.8	$ 21.3	$ (149.8)	$ (898.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	73.8			73.8
Other comprehensive income (loss)	(22.1)						(22.1)
Treasury stock acquired	(80.9)							(80.9)
Dividends declared	0.2			0.2
Stock compensation and other activity	25.6			(3.5)		(0.1)		29.2
Ending Balance at Oct. 31, 2018	854.4	758.2	0.0	1,192.6	4.8	21.2	(171.9)	(950.5)
Beginning Balance at Jul. 31, 2019	892.7	758.2	0.0	1,281.5	5.4	21.7	(192.9)	(981.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	65.0			65.0
Other comprehensive income (loss)	10.4						10.4
Treasury stock acquired	(65.0)							(65.0)
Dividends declared	0.2			0.2
Stock compensation and other activity	13.7			(0.7)		(6.6)		21.0
Ending Balance at Oct. 31, 2019	$ 917.0	$ 758.2	$ 0.0	$ 1,346.0	$ 5.4	$ 15.1	$ (182.5)	$ (1,025.2)