Reportable Segments (Tables)
12 Months Ended
Dec. 31, 2015
Segment Reporting [Abstract]  
Reconciliation of Segment Operating Income (Loss) to Consolidated Operating Income (Loss)
Information about the Company’s revenues and gross profit by its three reportable segments, as well as a reconciliation of the Company’s reportable segment gross profit to operating income (loss) is as follows (in thousands):

 
Years Ended December 31,

2015
 
2014
 
2013
Revenues:
 
 
 
 
 
Commercial Aviation Services
$
160,885

 
$
177,261

 
$
179,955

Global Defense and Security
105,158

 
154,057

 
125,558

Manufacturing and MRO
31,477

 
15,291

 
12,708

Total revenues
$
297,520

 
$
346,609

 
$
318,221

Gross profit:
 
 
 
 
 
Commercial Aviation Services
$
31,867

 
$
47,283

 
$
56,964

Global Defense and Security
8,123

 
29,483

 
33,198

Manufacturing and MRO
7,285

 
4,128

 
4,028

Total gross profit
47,275

 
80,894

 
94,190

Less: operating expenses
102,074

 
58,564

 
47,198

Operating income (loss)
$
(54,799
)
 
$
22,330

 
$
46,992

Schedules of Segment Revenue Concentration by Customer
Customers representing 10% or more of the total trade accounts receivable were as follows:

 
As of December 31,
 
2015
 
2014
Customer A
14.0
%
 
14.4
%
Customer B
11.9

 
11.8

Customer C
11.2

 


37.1
%
 
26.2
%
Customers that accounted for at least 10% of the Company’s net revenues were as follows:

 
 
 
Years Ended December 31,
 
Segment
 
2015
 
2014
 
2013
Customer D
Global Defense and Security
 
17.6
%
 
17.4
%
 
14.8
%
Customer E
Commercial Aviation Services
 
15.8

 
13.0

 
14.7


 
 
33.4
%
 
30.4
%
 
29.5
%
Schedule of Revenue by Geographic Area
Revenues are attributed to geographic area based on the country where the services were performed, with Manufacturing and MRO segment revenues attributed to a geographic area based on the country in which the customer is located and were as follows:

 
Years Ended December 31,

2015
 
2014
 
2013
Revenues:
 
 
 
 
 
North America
$
132,420

 
$
131,690

 
$
136,100

Middle East
57,468

 
77,760

 
67,315

Europe
34,863

 
26,924

 
24,096

Africa
28,390

 
26,459

 
20,598

Asia
17,154

 
26,036

 
25,410

South America
14,380

 
43,458

 
24,809

Australia
12,845

 
14,282

 
19,893

Total revenues
$
297,520

 
$
346,609

 
$
318,221

Reconciliation of Segment Assets to Consolidated Assets
Assets by Reportable Segment (in thousands):
 
As of December 31,

2015
 
2014
Assets:
 
 
 
Commercial Aviation Services
$
41,857

 
$
56,456

Global Defense and Security
173,882

 
232,775

Manufacturing and MRO
25,623

 
16,207

Corporate(1)
3,917

 
1,332

Aircraft held for sale
12,348

 

Fixed assets(2)
344,026

 
386,450

Total assets
$
601,653

 
$
693,220


(1)
Comprised primarily of cash, prepaid expenses and other current assets, and deferred tax assets. Amount presented for 2014 has been restated for the reclassification of debt issuance costs of $11.4 million from other noncurrent assets to credit facility and long-term debt and noncurrent deferred tax liability of $0.9 million from other liabilities to noncurrent deferred tax asset on the Company’s consolidated balance sheet.
(2)
Comprised of the aircraft fleet and fleet support assets including: aircraft, net; certain aircraft support parts, net; and property, plant, and equipment, net, which are primarily used to support the aircraft fleet, with minimal amounts allocated to the corporate function.