Summary of Significant Accounting Policies (Summary On Estimated Useful Life Of Property, Plant And Equipment) (Details)	Jul. 31, 2026
Software, In-Development, Internally Developed, and Purchased [Member]
Estimated life in years	3 years
Minimum [Member] \| Land Improvements [Member]
Estimated life in years	15 years
Minimum [Member] \| Buildings and Building Improvements [Member]
Estimated life in years	5 years
Minimum [Member] \| Machinery and Equipment [Member]
Estimated life in years	2 years
Minimum [Member] \| Furniture and Fixtures [Member]
Estimated life in years	2 years
Minimum [Member] \| Vehicles [Member]
Estimated life in years	3 years
Maximum [Member] \| Land Improvements [Member]
Estimated life in years	20 years
Maximum [Member] \| Buildings and Building Improvements [Member]
Estimated life in years	30 years
Maximum [Member] \| Machinery and Equipment [Member]
Estimated life in years	30 years
Maximum [Member] \| Furniture and Fixtures [Member]
Estimated life in years	10 years
Maximum [Member] \| Vehicles [Member]
Estimated life in years	5 years