Annual report pursuant to Section 13 and 15(d)

Financial Information from Continuing Operations By Geographic Region (Detail)

v3.19.3
Financial Information from Continuing Operations By Geographic Region (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Aug. 31, 2017
Geographic Reporting Disclosure [Line Items]      
Net sales $ 654,758 $ 641,303 $ 616,591
Assets 1,124,274 1,485,217  
Property, plant and equipment, net 56,729 54,974  
UNITED STATES      
Geographic Reporting Disclosure [Line Items]      
Net sales 249,644 236,036 230,513
Property, plant and equipment, net 21,047 17,040  
UNITED KINGDOM      
Geographic Reporting Disclosure [Line Items]      
Net sales 30,127 35,388 42,875
Property, plant and equipment, net 2,983 3,663  
KAZAKHSTAN      
Geographic Reporting Disclosure [Line Items]      
Net sales 30,081 19,814 22,989
Property, plant and equipment, net 2,635 3,056  
GERMANY      
Geographic Reporting Disclosure [Line Items]      
Net sales 26,445 30,643 27,611
AUSTRALIA      
Geographic Reporting Disclosure [Line Items]      
Net sales 25,749 30,796 36,076
SAUDI ARABIA      
Geographic Reporting Disclosure [Line Items]      
Net sales 21,625 20,749 22,089
BRAZIL      
Geographic Reporting Disclosure [Line Items]      
Net sales 18,779 17,900 15,456
Property, plant and equipment, net 2,851 2,923  
CANADA      
Geographic Reporting Disclosure [Line Items]      
Net sales 18,686 20,172 17,458
CHINA      
Geographic Reporting Disclosure [Line Items]      
Net sales 18,548 19,239 18,323
Property, plant and equipment, net 12,179 13,442  
UNITED ARAB EMIRATES      
Geographic Reporting Disclosure [Line Items]      
Property, plant and equipment, net 8,734 7,876  
NETHERLANDS      
Geographic Reporting Disclosure [Line Items]      
Property, plant and equipment, net 2,720 3,530  
All other      
Geographic Reporting Disclosure [Line Items]      
Net sales 215,074 210,566 $ 183,201
Property, plant and equipment, net $ 3,580 $ 3,444