Annual report pursuant to Section 13 and 15(d)

Changes in Projected Benefit Obligations, Fair Value of Plan Assets and Funded Status of Defined Benefit Pension Plans (Detail)

v3.23.3
Changes in Projected Benefit Obligations, Fair Value of Plan Assets and Funded Status of Defined Benefit Pension Plans (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Aug. 31, 2021
Reconciliation of plan assets:      
Fair value of plan assets at beginning of year $ 31,166    
Fair value of plan assets at end of year 28,530 $ 31,166  
Fixed Income Securities      
Reconciliation of plan assets:      
Fair value of plan assets at beginning of year 16,247    
Fair value of plan assets at end of year 15,928 16,247  
Foreign Plan Member      
Reconciliation of benefit obligations:      
Benefit obligation at beginning of year 8,017 14,421  
Interest cost 306 159 $ 198
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) 494 3,859  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (256) (200)  
Defined Benefit Plan, Benefit Obligation, Payment for Settlement 213 480  
Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) 665 (2,114)  
Benefit obligation at end of year 8,085 8,017 14,421
Defined Benefit Plan, Service Cost 60 90 116
Reconciliation of plan assets:      
Fair value of plan assets at beginning of year 6,208 9,396  
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) (359) (1,159)  
Defined Benefit Plan, Plan Assets, Contributions by Employer 286 44  
Defined Benefit Plan, Plan Assets, Benefits Paid (469) (680)  
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) 529 (1,393)  
Fair value of plan assets at end of year 6,195 6,208 9,396
Funded status of the plans (underfunded) (1,889) (1,808)  
Domestic Plan Member      
Reconciliation of benefit obligations:      
Benefit obligation at beginning of year 37,135 47,147  
Interest cost 1,694 1,165 1,156
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) (2,337) (8,197)  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (3,288) (2,980)  
Benefit obligation at end of year 33,204 37,135 47,147
Reconciliation of plan assets:      
Fair value of plan assets at beginning of year 31,166 39,696  
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) 545 (5,658)  
Defined Benefit Plan, Plan Assets, Contributions by Employer 108 108  
Defined Benefit Plan, Plan Assets, Benefits Paid (3,289) (2,980)  
Fair value of plan assets at end of year 28,530 31,166 $ 39,696
Funded status of the plans (underfunded) $ (4,674) $ (5,969)