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v3.20.2

Segments - Reconciliation of Net Income to Gross Margin (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Reconciliation Net Income (Loss) to Gross Margin |  |  |  |  |
Total gross margin | $ 119,478 |  | $ 131,383 | $ 383,773 | $ 374,559
Less: |  |  |  |  |
Selling, general and administrative | 18,681 |  | 29,526 | 78,052 | 87,133
Depreciation and amortization | 47,279 |  | 48,409 | 145,950 | 137,997
Long-lived and other asset impairment | 10,727 |  | 7,097 | 72,132 | 18,821
Goodwill impairment |  | $ 99,800 | 0 | 99,830 | 0
Restatement and other charges |  |  | 0 |  | 445
Restructuring charges | 2,900 |  | 0 | 7,036 | 0
Interest expense | 25,221 |  | 27,401 | 80,664 | 76,972
Debt extinguishment loss |  |  | 0 | 3,971 | 3,653
Transaction-related costs |  |  | 4,905 |  | 7,772
Gain on sale of assets, net | (9,146) |  | (7,859) | (11,073) | (9,644)
Other (income) loss, net | (324) |  | 49 | (1,317) | (381)
Income (loss) before income taxes | $ 24,140 |  | $ 21,855 | $ (91,472) | $ 51,791

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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