Annual report pursuant to Section 13 and 15(d)

Financial Information from Continuing Operations By Geographic Region (Detail)

v3.23.3
Financial Information from Continuing Operations By Geographic Region (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Aug. 31, 2021
Geographic Reporting Disclosure [Line Items]      
Percentage Of Export Sales From Domestic To Total Net Sales 9.90% 9.80% 7.20%
Assets $ 762,597 $ 757,312  
Net sales $ 598,204 $ 571,223 $ 528,660
Largest customer sales in fiscal year, percent 3.00% 3.00% 3.00%
Property, plant & equipment, net $ 38,968 $ 41,372  
United States      
Geographic Reporting Disclosure [Line Items]      
Net sales 231,093 226,020 $ 188,070
Property, plant & equipment, net 15,081 16,743  
GERMANY      
Geographic Reporting Disclosure [Line Items]      
Net sales 29,926 28,004 28,456
UNITED KINGDOM      
Geographic Reporting Disclosure [Line Items]      
Net sales 34,085 29,316 39,896
Property, plant & equipment, net 7,543 8,212  
SAUDI ARABIA      
Geographic Reporting Disclosure [Line Items]      
Net sales 25,762 20,892 16,715
AUSTRALIA      
Geographic Reporting Disclosure [Line Items]      
Net sales 28,607 26,667 24,990
BRAZIL      
Geographic Reporting Disclosure [Line Items]      
Net sales 20,523 16,517 13,937
Property, plant & equipment, net 3,197 2,873  
CANADA      
Geographic Reporting Disclosure [Line Items]      
Net sales 29,643 19,651 17,348
China      
Geographic Reporting Disclosure [Line Items]      
Net sales 14,081 15,434 16,927
UNITED ARAB EMIRATES      
Geographic Reporting Disclosure [Line Items]      
Property, plant & equipment, net 4,004 4,407  
NETHERLANDS      
Geographic Reporting Disclosure [Line Items]      
Property, plant & equipment, net 2,423 1,965  
SPAIN      
Geographic Reporting Disclosure [Line Items]      
Property, plant & equipment, net 1,484 1,413  
All Other      
Geographic Reporting Disclosure [Line Items]      
Net sales 169,877 173,868 168,953
Property, plant & equipment, net 5,235 5,761  
FRANCE      
Geographic Reporting Disclosure [Line Items]      
Net sales 14,606 14,854 $ 13,368
General Corporate      
Geographic Reporting Disclosure [Line Items]      
Assets $ 102,357 $ 92,472