Other Assets

Other assets as of August 31, 2016 and 2015 are as follows:



	2016		2015
	(Dollars in thousands)
Goodwill	$	160,414	$	150,115
Customer lists, trademarks and other intangible assets	44,766		50,648
Notes receivable	328,605		197,067
Long-term receivable	29,491		35,191
Prepaid pension and other benefits	120,693		138,497
Capitalized major maintenance	169,054		241,588
Other	245,207		211,378
	$	1,098,230	$	1,024,484

Changes in the net carrying amount of goodwill for the year ended August 31, 2016, by segment, are as follows:



	Energy		Ag			Corporate and Other		Total
	(Dollars in thousands)
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
Goodwill acquired during the period	—		5,726			4,048		9,774
Effect of foreign currency translation adjustments	—		1,220			—		1,220
Goodwill disposed due to sale of business	—		(695		)	—		(695		)
Balances, August 31, 2016	$	552	$	148,916		$	10,946	$	160,414

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

No goodwill has been allocated to our Nitrogen Production or Foods segments, which consist of investments accounted for under the equity method.

During the years ended August 31, 2016 and 2015, we had acquisitions which resulted in $9.8 million and $0.4 million of goodwill, respectively, for which we paid cash consideration of $11.9 million and $305.2 million, respectively. These acquisitions were primarily within our Ag segment and were not material, individually or in aggregate, to our consolidated financial statements. During the year ended August 31, 2016, we disposed of a business resulting in a reduction of $0.7 million of goodwill. There were no business disposals resulting in decreases to goodwill during fiscal 2015.

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 included in other assets on our Consolidated Balance Sheets is as follows:



	August 31, 2016							August 31, 2015
	Carrying Amount		Accumulated Amortization			Net		Carrying Amount		Accumulated Amortization			Net
	(Dollars in thousands)
Customer lists	$	51,554	$	(15,550	)	$	36,004	$	70,925	$	(30,831	)	$	40,094
Trademarks and other intangible assets	35,015		(26,253		)	8,762		42,688		(32,134		)	10,554
Total intangible assets	$	86,569	$	(41,803	)	$	44,766	$	113,613	$	(62,965	)	$	50,648

During the years ended August 31, 2016 and 2015, intangible assets acquired totaled $2.8 million and $0.8 million, respectively, and were primarily within our Ag segment.

Intangible assets amortization expense for the years ended August 31, 2016, 2015 and 2014, was $6.1 million, $7.3 million and $9.7 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	$	4,411
Year 2	4,081
Year 3	4,079
Year 4	3,793
Year 5	3,644
Thereafter	24,662
Total	$	44,670

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)
2016	$	241,588	$	949	$	(73,483	)	$	169,054
2015	67,643		219,898		(45,953		)	241,588
2014	109,408		3,305		(45,070		)	67,643