Goodwill and Other Intangible Assets

Goodwill of $138.5 million is included in other assets on our Consolidated Balance Sheets as of February 28, 2019, and August 31, 2018. There were no changes in the net carrying amount of goodwill for the six months ended February 28, 2019.

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:



	February 28, 2019							August 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
	(Dollars in thousands)
Customer lists	$	40,815	$	(14,500	)	$	26,315	$	40,815	$	(13,082	)	$	27,733
Trademarks and other intangible assets	6,536		(5,038		)	1,498		6,536		(4,931		)	1,605
Total intangible assets	$	47,351	$	(19,538	)	$	27,813	$	47,351	$	(18,013	)	$	29,338

Total amortization expense for intangible assets during the three and six months ended February 28, 2019, was $0.8 million and $1.5 million, respectively. Total amortization expense for intangible assets during the three and six months ended February 28, 2018, was $0.8 million and $1.7 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	$	3,034
Year 2	2,958
Year 3	2,877
Year 4	2,787
Year 5	2,667