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	133.9			133.9
Other comprehensive income (loss)	2.1						2.1
Treasury stock acquired	(102.0)							(102.0)
Dividends declared	(48.4)			(48.4)
Stock compensation and other activity	29.2			(4.9)	0.4	(0.2)		33.9
Ending Balance at Jan. 31, 2019	872.6	758.2	0.0	1,202.7	5.2	21.1	(147.7)	(966.9)
Beginning Balance at Oct. 31, 2018	854.4	758.2	0.0	1,192.6	4.8	21.2	(171.9)	(950.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	60.1			60.1
Other comprehensive income (loss)	24.2						24.2
Treasury stock acquired	(21.1)							(21.1)
Dividends declared	(48.6)			(48.6)
Stock compensation and other activity	3.6			(1.4)	0.4	(0.1)		4.7
Ending Balance at Jan. 31, 2019	872.6	758.2	0.0	1,202.7	5.2	21.1	(147.7)	(966.9)
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	129.5			129.5
Other comprehensive income (loss)	14.6						14.6
Treasury stock acquired	(65.0)							(65.0)
Dividends declared	(53.1)			(53.1)
Stock compensation and other activity	21.7			(3.8)	0.2	(7.2)		32.5
Ending Balance at Jan. 31, 2020	940.4	758.2	0.0	1,354.1	5.6	14.5	(178.3)	(1,013.7)
Beginning Balance at Oct. 31, 2019	917.0	758.2	0.0	1,346.0	5.4	15.1	(182.5)	(1,025.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	64.4			64.4
Other comprehensive income (loss)	4.2						4.2
Dividends declared	(53.3)			(53.3)
Stock compensation and other activity	8.1			(3.0)	0.2	(0.6)		11.5
Ending Balance at Jan. 31, 2020	$ 940.4	$ 758.2	$ 0.0	$ 1,354.1	$ 5.6	$ 14.5	$ (178.3)	$ (1,013.7)