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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
 12 Months Ended
Aug. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in the carrying amount of goodwill
The following table details the changes in the carrying amount of goodwill by reportable segment:
(in thousands)North AmericaEuropeConsolidated
Goodwill, gross
Balance at September 1, 2018$71,941 $2,568 $74,509 
Foreign currency translation— (184)(184)
Balance at August 31, 201971,941 2,384 74,325 
Foreign currency translation— 195 195 
Balance at August 31, 202071,941 2,579 74,520 
Accumulated impairment losses
Balance at September 1, 2018(10,036)(163)(10,199)
Foreign currency translation— 12 12 
Balance at August 31, 2019(10,036)(151)(10,187)
Foreign currency translation— (12)(12)
Balance at August 31, 2020(10,036)(163)(10,199)
Goodwill, net
Balance at September 1, 201861,905 2,405 64,310 
Foreign currency translation— (172)(172)
Balance at August 31, 201961,905 2,233 64,138 
Foreign currency translation— 183 183 
Balance at August 31, 2020$61,905 $2,416 $64,321 
Intangible assets subject to amortization
The following intangible assets subject to amortization are included in other noncurrent assets on the Company's consolidated balance sheets:
 August 31, 2020August 31, 2019
(in thousands)Gross
Carrying Amount		Accumulated AmortizationNetGross
Carrying Amount		Accumulated AmortizationNet
Patents$7,203 $2,647 $4,556 $6,993 $1,709 $5,284 
Customer base6,111 4,900 1,211 6,088 4,081 2,007 
Perpetual lease rights4,766 866 3,900 4,146 749 3,397 
Non-compete agreements3,050 422 2,628 2,810 382 2,428 
Brand name838 501 337 628 454 174 
Other101 85 16 101 79 22 
Total$22,069 $9,421 $12,648 $20,766 $7,454 $13,312 
Estimated future amortization expense of intangible assets Estimated amounts of amortization expense for the next five years are as follows.
Year Ended August 31,(in thousands)
2021$2,030 
20221,755 
20231,296 
20241,259 
2025922