Employee Benefit Plans (Pension Plan Target Allocation) (Details) - Pension Plan	Jul. 31, 2022
Salaried Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	100.00%
Salaried Pension Plan | Global equities
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	33.00%
Salaried Pension Plan | Fixed income securities
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	65.00%
Salaried Pension Plan | Real assets
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	1.00%
Salaried Pension Plan | Cash and cash equivalents
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	1.00%
Hourly Pension Plan
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	100.00%
Hourly Pension Plan | Global equities
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	29.00%
Hourly Pension Plan | Fixed income securities
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	70.00%
Hourly Pension Plan | Real assets
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	0.00%
Hourly Pension Plan | Cash and cash equivalents
Defined Benefit Plan Disclosure
Pension plan target allocation percentage	1.00%