Supplementary Balance Sheet Information (Composition Of Goodwill And Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2019
Asset impairments	$ 0	$ 28,372	$ 0
Goodwill	1,824,089	1,752,062
Goodwill, Impaired, Accumulated Impairment Loss	(25,688)	(25,688)
Accumulated amortization	(17,354)	(17,354)
Goodwill, net	1,781,047	1,709,020	1,608,206
Indefinite-Lived Trademarks	239,786	230,000
Other Indefinite-lived Intangible Assets	41,561	41,667
Gross indefinite-lived intangible assets	281,347	271,667
Accumulated amortization	(24,713)	(24,713)
Indefinite-lived intangible assets, net	256,634	246,954
Gross amortizable intangible assets	38,008	38,208
Other Finite-Lived Intangible Assets, Gross	69,397	70,772
Finite-Lived Intangible Assets, Gross	107,405	108,980
Accumulated amortization	(44,929)	(41,158)
Amortizable intangible assets, net	62,476	67,822
Total gross intangible assets	388,752	380,647
Total accumulated amortization	(69,642)	(65,871)
Net Intangible Assets Excluding Goodwill	319,110	314,776
Amortization of Intangible Assets	5,400	6,500	$ 7,400
Finite-Lived Intangible Asset, Expected Amortization, Year One	4,100
Finite-Lived Intangible Asset, Expected Amortization, Year Two	4,100
Finite-Lived Intangible Asset, Expected Amortization, Year Three	4,100
Finite-Lived Intangible Asset, Expected Amortization, Year Four	4,100
Finite-Lived Intangible Asset, Expected Amortization, Year Five	$ 4,100
Goodwill [Member]
Asset impairments		25,700
Finite-Lived Intangible Assets [Member]
Asset impairments		$ 2,700