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v3.24.1.u1

Segments (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Segment Information |
Summary of revenue and other financial information by reportable segment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Contract |  | Aftermarket |  | ​ | ​
(in thousands) |  | Operations |  | Services |  | Total
Three months ended March 31, 2024 |  | ​ |  |  | ​ |  |  | ​ |
Revenue | ​ | $ | 223,051 | ​ | $ | 45,437 | ​ | $ | 268,488
Gross margin | ​ |  | 145,308 | ​ |  | 10,437 | ​ |  | 155,745
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Three months ended March 31, 2023 | ​ |  |  | ​ |  |  | ​ |  |
Revenue | ​ | $ | 187,745 | ​ | $ | 42,089 | ​ | $ | 229,834
Gross margin | ​ |  | 108,263 | ​ |  | 8,181 | ​ |  | 116,444
Reconciliation of total gross margin to income before taxes | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended
​ | ​ | March 31,
(in thousands) |  | 2024 |  | 2023
Total gross margin | ​ | $ | 155,745 | ​ | $ | 116,444
Less: | ​ |  |  | ​ |  |
Selling, general and administrative | ​ |  | 31,665 | ​ |  | 26,425
Depreciation and amortization | ​ |  | 42,835 | ​ |  | 40,181
Long-lived and other asset impairment | ​ |  | 2,568 | ​ |  | 2,569
Restructuring charges | ​ | ​ | — | ​ | ​ | 1,047
Interest expense | ​ |  | 27,334 | ​ |  | 26,581
Gain on sale of assets, net | ​ | ​ | (2,381) | ​ | ​ | (3,605)
Other (income) expense, net | ​ |  | 139 | ​ |  | 603
Income before income taxes | ​ | $ | 53,585 | ​ | $ | 22,643
​

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-25 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 + Details
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