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SEGMENT INFORMATION (Tables)
9 Months Ended
Sep. 30, 2022
SEGMENT INFORMATION  
Summary of revenue and other financial information by reportable segment

    

Contract

    

Aftermarket

    

    

Operations

    

Services

    

Total

Three months ended September 30, 2022

 

  

 

  

 

  

Revenue

$

170,497

$

43,171

$

213,668

Gross margin

 

98,803

 

7,338

 

106,141

Three months ended September 30, 2021

 

  

 

  

 

  

Revenue

$

158,911

$

36,255

$

195,166

Gross margin

 

97,631

 

5,603

 

103,234

Nine months ended September 30, 2022

 

  

 

  

 

  

Revenue

$

500,451

$

126,246

$

626,697

Gross margin

 

295,901

 

20,065

 

315,966

Nine months ended September 30, 2021

 

  

 

  

 

  

Revenue

$

488,810

$

97,402

$

586,212

Gross margin

 

304,778

 

13,477

 

318,255

Reconciliation of total gross margin to income before taxes

Three Months Ended

    

Nine Months Ended

September 30, 

September 30, 

    

2022

    

2021

    

2022

    

2021

Total gross margin

$

106,141

$

103,234

$

315,966

$

318,255

Less:

 

  

 

  

 

  

 

  

Selling, general and administrative

 

30,500

 

28,839

 

85,964

 

80,000

Depreciation and amortization

 

39,953

 

45,280

 

124,348

 

135,185

Long-lived and other asset impairment

 

4,154

 

5,121

 

16,217

 

15,154

Restructuring charges

313

1,953

Interest expense

 

25,177

 

25,508

 

74,879

 

82,711

Gain on sale of assets, net

(12,695)

(15,393)

(33,755)

(29,549)

Other (income) expense, net

 

(585)

 

337

 

(52)

 

(1,634)

Income before income taxes

$

19,637

$

13,229

$

48,365

$

34,435