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DEFINED BENEFIT PENSION PLANS - Weighted-Average Assumptions Used to Determine Net Periodic Pension Cost (Detail)
12 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Retirement Benefits [Abstract]    
Discount rate 1.24% 1.39%
Expected long-term rate of return on plan assets 1.20% 1.37%
Rate of compensation increase 0.00% 1.77%