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)

v3.19.3
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, 2019
Aug. 31, 2018
Aug. 31, 2017
Reconciliation of plan assets:      
Fair value of plan assets at beginning of year $ 40,244    
Fair value of plan assets at end of year 40,412 $ 40,244  
Pension Plans, Defined Benefit | UNITED STATES      
Reconciliation of benefit obligations:      
Benefit obligation at beginning of year 43,280 46,806  
Interest cost 1,694 1,633 $ 1,690
Actuarial (Loss) Gain 5,339 (2,330)  
Benefits Paid (2,913) (2,829)  
Benefit obligation at end of year 47,400 43,280 46,806
Reconciliation of plan assets:      
Fair value of plan assets at beginning of year 40,244 40,027  
Actual Return (Loss) on Plan Assets 2,972 2,938  
Company Contributions 108 108  
Benefits Paid (2,912) (2,829)  
Fair value of plan assets at end of year 40,412 40,244 40,027
Funded status of the plans (underfunded) (6,988) (3,036)  
Pension Plans, Defined Benefit | Foreign Plan [Member]      
Reconciliation of benefit obligations:      
Benefit obligation at beginning of year 13,056 13,423  
Employer Service Costs 450 440 413
Interest cost 257 278 239
Actuarial (Loss) Gain 2,594 (337)  
Benefits Paid (421) (555)  
Plan Amendments 89 0  
Curtailments (107) 0  
Currency Impact (815) (193)  
Benefit obligation at end of year 15,103 13,056 13,423
Reconciliation of plan assets:      
Fair value of plan assets at beginning of year 7,902 7,904  
Actual Return (Loss) on Plan Assets 752 32  
Company Contributions 374 588  
Benefits Paid (421) (555)  
Currency Impact (489) (67)  
Fair value of plan assets at end of year 8,118 7,902 $ 7,904
Funded status of the plans (underfunded) $ (6,985) $ (5,154)