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v3.20.4

Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Accrued liabilities not currently deductible: |  |
Employee compensation and benefits | $ 104,305 | $ 116,162
Project and non-project reserves | 71,999 | 60,768
Net operating loss carryforward | 326,402 | 357,803
Tax basis of investment in excess of book basis | 118,915 | 88,255
U.S. foreign tax credit carryforward | 414,348 | 226,845
AOCI | 62,681 | 67,258
Other | 103,955 | 85,059
Total deferred tax assets | 1,202,605 | 1,002,150
Valuation allowance | (1,080,752) | (910,336)
Deferred tax assets, net | 121,853 | 91,814
Deferred tax liabilities: |  |
Book basis of property and equipment in excess of tax basis | (43,475) | (29,846)
Dividend withholding on unremitted non-U.S. earnings | (57,859) | (49,663)
Other | (23,349) | (32,912)
Total deferred tax liabilities | (124,683) | (112,421)
Deferred tax assets, net of deferred tax liabilities | $ (2,830) | $ (20,607)

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