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, 2014	$ 1,002.4	$ 758.2	$ 0.0	$ 702.4	$ 0.0	$ 19.6	$ (45.8)	$ (432.0)
Comprehensive income
Net earnings	208.1			208.1
Foreign currency translation	(119.1)						(119.1)
Pension liability adjustment, net of deferred taxes	3.4						3.4
Gain (loss) on hedging derivatives, net of deferred taxes	(0.5)						(0.5)
Comprehensive income	91.9
Purchase of IFIL	3.9				3.9
Treasury stock acquired	(256.3)							(256.3)
Stock options exercised	11.4		(5.7)	(13.1)				30.2
Deferred stock and other activity	(0.7)		(1.9)	(0.7)		(1.1)		3.0
Performance awards	(0.2)		(0.1)	(0.1)		(0.6)		0.6
Stock option expense	9.5			9.5
Tax reduction - employee plans	7.7		7.7
Dividends	(90.9)			(90.9)
Ending Balance at Jul. 31, 2015	778.7	758.2	0.0	815.2	3.9	17.9	(162.0)	(654.5)
Comprehensive income
Net earnings	190.8			190.8
Foreign currency translation	(18.5)						(18.5)
Pension liability adjustment, net of deferred taxes	(25.2)						(25.2)
Gain (loss) on hedging derivatives, net of deferred taxes	0.1						0.1
Comprehensive income	147.2
Treasury stock acquired	(84.3)							(84.3)
Stock options exercised	12.9		(1.4)	(14.7)				29.0
Deferred stock and other activity	(0.8)		(1.3)	(1.4)	0.1	(0.7)		2.5
Performance awards	(0.2)					(0.5)		0.3
Stock option expense	6.7			6.7
Tax reduction - employee plans	2.7		2.7
Dividends	(91.5)			(91.5)
Ending Balance at Jul. 31, 2016	771.4	758.2	0.0	905.1	4.0	16.7	(205.6)	(707.0)
Comprehensive income
Net earnings	232.8			232.8
Foreign currency translation	30.5						30.5
Pension liability adjustment, net of deferred taxes	20.7						20.7
Gain (loss) on hedging derivatives, net of deferred taxes	(2.6)						(2.6)
Comprehensive income	281.4
Treasury stock acquired	(140.4)							(140.4)
Stock options exercised	22.2		(3.4)	(10.2)				35.8
Deferred stock and other activity	(0.2)		(1.9)	(1.4)	0.4	(0.8)		3.5
Performance awards	(0.1)					(0.2)		0.1
Stock option expense	7.5			7.5
Tax reduction - employee plans	5.3		5.3
Dividends	(92.6)			(92.6)
Ending Balance at Jul. 31, 2017	$ 854.5	$ 758.2	$ 0.0	$ 1,041.2	$ 4.4	$ 15.7	$ (157.0)	$ (808.0)