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Other Assets (Tables)
12 Months Ended
Aug. 31, 2014
Other Assets [Abstract]  
Schedule of Other Assets
Other assets as of August 31, 2014 and 2013 are as follows:
 
2014
 
2013
 
(Dollars in thousands)
Goodwill
$
158,696

 
$
85,063

Customer lists, less accumulated amortization of $26,114 and $20,063,
respectively
43,748

 
16,352

Trademarks and other intangible assets, less accumulated amortization of
$29,587 and $25,982, respectively
11,706

 
19,124

Notes receivable
166,901

 
143,343

Long-term receivable
40,718

 
38,704

Prepaid pension and other benefits
186,342

 
187,270

Capitalized major maintenance
67,643

 
109,408

Other
119,325

 
56,896

 
$
795,079

 
$
656,160

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
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
$
6,962

Year 2
6,610

Year 3
5,040

Year 4
3,828

Year 5
3,210

Thereafter
29,804

Total 
$
55,454

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure
The capitalized major maintenance activity is as follows:
 
Balance at
Beginning
of Year
 
Cost
Deferred
 
Amortization
 
Write-Offs
 
Balance at
End of Year
 
(Dollars in thousands)
2014
$
109,408

 
$
3,305

 
$
(45,070
)
 
$

 
$
67,643

2013
70,554

 
73,701

 
(34,847
)
 

 
109,408

2012
80,752

 
23,443

 
(33,641
)
 

 
70,554