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v3.23.1

Segment Information - Reconciliation of gross margin to income (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Reconciliation of total gross margin to income |  |
Total gross margin | $ 116,444 | $ 104,062
Less: |  |
Selling, general and administrative | 26,425 | 27,773
Depreciation and amortization | 40,181 | 43,039
Long-lived and other asset impairment | 2,569 | 7,416
Restructuring charges | 1,047 |
Interest expense | 26,581 | 25,246
Gain on sale of assets, net | (3,605) | (2,112)
Other expense (income), net | 603 | 36
Income before income taxes | $ 22,643 | $ 2,664

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