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DEFINED BENEFIT PENSION PLANS - Weighted-Average Assumptions Used to Determine Net Periodic Pension Cost (Detail) - Pension Plan
12 Months Ended
Jul. 31, 2020
Jul. 31, 2019
Defined Benefit Plan Disclosure [Line Items]    
Discount rate 1.39% 1.46%
Expected long-term rate of return on plan assets 1.37% 1.45%
Rate of compensation increase 1.77% 1.92%