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Goodwill and Other Intangible Assets (Notes)
 3 Months Ended
Nov. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets Disclosure [Text Block]
Goodwill and Other Intangible Assets

Goodwill of $138.5 million is included in other assets on our Consolidated Balance Sheets as of November 30, 2018, and August 31, 2018. There were no changes in the net carrying amount of goodwill for the three months ended November 30, 2018.
 
Intangible assets subject to amortization primarily include customer lists, trademarks and non-compete agreements, and are amortized over their respective useful lives (ranging from 2 to 30 years). Information regarding intangible assets that are included in other assets on our Consolidated Balance Sheets is as follows:
 
November 30,
2018
 
August 31,
2018
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net
 
Gross Carrying Amount
 
Accumulated Amortization
 
Net
 
(Dollars in thousands)
Customer lists
$
40,815

 
$
(13,791
)
 
$
27,024

 
$
40,815

 
$
(13,082
)
 
$
27,733

Trademarks and other intangible assets
6,536

 
(4,990
)
 
1,546

 
6,536

 
(4,931
)
 
1,605

Total intangible assets
$
47,351

 
$
(18,781
)
 
$
28,570

 
$
47,351

 
$
(18,013
)
 
$
29,338



Total amortization expense for intangible assets during the three months ended November 30, 2018, and 2017, was $0.8 million and $0.9 million, respectively. The estimated annual amortization expense related to intangible assets subject to amortization for the next five years is as follows:
 
(Dollars in thousands)
Year 1
$
3,070

Year 2
2,991

Year 3
2,933

Year 4
2,751

Year 5
2,667