Employee Benefit Plans (Pension Plan Target Allocation) (Details) - Pension Plan	Jul. 31, 2023
Salaried Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	100.00%
Hourly Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	100.00%
Global equity securities | Salaried Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	33.00%
Global equity securities | Hourly Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	32.00%
Fixed income securities | Salaried Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	65.00%
Fixed income securities | Hourly Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	67.00%
Real asset funds | Salaried Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	1.00%
Real asset funds | Hourly Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	0.00%
Cash and cash equivalents | Salaried Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	1.00%
Cash and cash equivalents | Hourly Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation (as a percent)	1.00%