Other Assets

Other assets as of August 31, 2015 and 2014 are as follows:



	2015		2014
	(Dollars in thousands)
Goodwill	$	150,115	$	158,696
Customer lists, trademarks and other intangible assets	50,648		55,454
Notes receivable	197,067		166,901
Long-term receivable	35,191		40,718
Prepaid pension and other benefits	138,497		186,342
Capitalized major maintenance	241,588		67,643
Other	211,378		119,325
	$	1,024,484	$	795,079

Changes in the net carrying amount of goodwill for the year ended August 31, 2015, by segment, are as follows:



	Energy		Ag			Corporate and Other		Total
	(Dollars in thousands)
Balances, August 31, 2013	$	552	$	77,613		$	6,898	$	85,063
Goodwill acquired during the period	—		72,913			—		72,913
Effect of foreign currency translation adjustments	—		720			—		720
Balances, August 31, 2014	$	552	$	151,246		$	6,898	$	158,696
Goodwill acquired during the period ⁽¹⁾	—		(3,283		)	—		(3,283		)
Effect of foreign currency translation adjustments	—		(5,298		)	—		(5,298		)
Balances, August 31, 2015	$	552	$	142,665		$	6,898	$	150,115

⁽¹⁾ Includes measurement period adjustments related to current and prior year acquisitions. Goodwill acquired during the period was $0.4 million.

Intangible assets subject to amortization primarily include customer lists, trademarks and agreements not to compete, and are amortized over their respective useful lives (ranging from 2 to 30 years). Information regarding intangible assets included in other assets on our Consolidated Balance Sheets is as follows:



	August 31, 2015							August 31, 2014
	Carrying Amount		Accumulated Amortization			Net		Carrying Amount		Accumulated Amortization			Net
	(Dollars in thousands)
Customer lists	$	70,925	$	(30,831	)	$	40,094	$	69,862	$	(26,114	)	$	43,748
Trademarks and other intangible assets	42,688		(32,134		)	10,554		41,293		(29,587		)	11,706
Total intangible assets	$	113,613	$	(62,965	)	$	50,648	$	111,155	$	(55,701	)	$	55,454

During the years ended August 31, 2015 and 2014, we had acquisitions which resulted in $0.4 million and $72.9 million of goodwill, respectively, for which we paid cash consideration of $305.2 million and $281.5 million, respectively. These acquisitions were all within our Ag segment and were not material, individually or in aggregate, to our consolidated financial statements. There were no business disposals resulting in decreases to goodwill during fiscal 2015 and 2014.

During the years ended August 31, 2015 and 2014, intangible assets acquired totaled $0.8 million and $38.8 million, respectively, and were primarily within our Ag segment.

Intangible assets amortization expense for the years ended August 31, 2015, 2014 and 2013, was $7.3 million, $9.7 million and $10.0 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	$	7,086
Year 2	5,558
Year 3	4,290
Year 4	3,808
Year 5	3,460
Thereafter	26,350
Total	$	50,552

The costs of turnarounds in our Energy segment are deferred when incurred and amortized on a straight-line basis over the period of time estimated to lapse until the next turnaround occurs, which is generally 2 to 4 years. Capitalized amounts are included in other assets on our Consolidated Balance Sheets and amortization expense related to turnaround costs is included in cost of goods sold in our Consolidated Statements of Operations. Activity related to capitalized major maintenance costs is summarized below:



	Balance at Beginning of Year		Cost Deferred		Amortization			Balance at End of Year
	(Dollars in thousands)
2015	$	67,643	$	219,898	$	(45,953	)	$	241,588
2014	109,408		3,305		(45,070		)	67,643
2013	70,554		73,701		(34,847		)	109,408