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)

v3.21.2
Changes in Projected Benefit Obligations, Fair Value of Plan Assets and Funded Status of Defined Benefit Pension Plans (Detail) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Sep. 30, 2020
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2019
Reconciliation of plan assets:        
Fair value of plan assets at beginning of year $ 39,935 $ 39,935    
Fair value of plan assets at end of year   39,696 $ 39,935  
Foreign Plan Member        
Reconciliation of benefit obligations:        
Benefit obligation at beginning of year 14,297 14,297 15,103  
Interest cost   198 171 $ 257
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)   (51) 495  
Defined Benefit Plan, Benefit Obligation, Benefits Paid   (293) (300)  
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment   0 0  
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment   0 (1,687)  
Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss)   52 1,221  
Benefit obligation at end of year   14,421 14,297 15,103
Defined Benefit Plan, Service Cost   116 284 450
Reconciliation of plan assets:        
Fair value of plan assets at beginning of year 8,980 8,980 8,118  
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)   532 69  
Defined Benefit Plan, Plan Assets, Contributions by Employer   56 323  
Defined Benefit Plan, Plan Assets, Benefits Paid   (293) (300)  
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss)   121 770  
Fair value of plan assets at end of year   9,396 8,980 8,118
Funded status of the plans (underfunded)   (5,025) (5,317)  
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment     (1,700)  
Domestic Plan Member        
Reconciliation of benefit obligations:        
Benefit obligation at beginning of year 49,640 49,640 47,400  
Interest cost   1,156 1,331 1,694
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)   (729) 4,131  
Defined Benefit Plan, Benefit Obligation, Benefits Paid   (2,920) (3,222)  
Benefit obligation at end of year   47,147 49,640 47,400
Reconciliation of plan assets:        
Fair value of plan assets at beginning of year 39,935 39,935 40,412  
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)   1,990 2,562  
Defined Benefit Plan, Plan Assets, Contributions by Employer   691 183  
Defined Benefit Plan, Plan Assets, Benefits Paid $ (600) (2,920) (3,222)  
Fair value of plan assets at end of year   39,696 39,935 $ 40,412
Funded status of the plans (underfunded)   $ (7,451) $ (9,705)