Supplementary Balance Sheet Information (Composition Of Property, Plant And Equipment) (Details) - USD ($) $ in Thousands	Oct. 31, 2023	Jul. 31, 2023	Oct. 31, 2022
Property, Plant and Equipment [Line Items]
Land and land improvements	$ 790,550	$ 796,730	$ 780,977
Buildings and building improvements	1,626,566	1,643,517	1,574,931
Machinery and equipment	1,781,980	1,792,378	1,594,588
Furniture and fixtures	302,646	298,725	316,350
Software	151,809	152,033	139,522
Vehicles	86,173	87,298	82,239
Construction in progress	185,229	134,113	221,990
Gross property, plant and equipment	4,924,953	4,904,794	4,710,597
Accumulated depreciation	(2,580,352)	(2,533,237)	(2,397,536)
Property, plant and equipment, net	$ 2,344,601	$ 2,371,557	$ 2,313,061