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Business Segments, Geographic Information and Major Customers - Balance Sheet Items (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accounts receivable, net: |  |
Accounts receivable, net of allowance for credit losses of $26.1 million and $53.8 million as of December 31, 2021 and 2020, respectively | $ 2,355.3 | $ 1,238.4
Accounts receivable, allowance for credit losses | 26.1 | 53.8
Total assets: |  |
Total assets | 5,942.4 | 4,500.3
Corporate |  |
Total assets: |  |
Total assets | 507.9 | 583.7
Aviation |  |
Accounts receivable, net: |  |
Accounts receivable, net of allowance for credit losses of $26.1 million and $53.8 million as of December 31, 2021 and 2020, respectively | 972.9 | 464.7
Accounts receivable, allowance for credit losses | 18.4 | 41.2
Aviation | Operating Segments |  |
Total assets: |  |
Total assets | 2,305.6 | 1,789.5
Land |  |
Accounts receivable, net: |  |
Accounts receivable, net of allowance for credit losses of $26.1 million and $53.8 million as of December 31, 2021 and 2020, respectively | 664.7 | 394.5
Accounts receivable, allowance for credit losses | 3.8 | 5.0
Land | Operating Segments |  |
Total assets: |  |
Total assets | 2,106.1 | 1,459.5
Marine |  |
Accounts receivable, net: |  |
Accounts receivable, net of allowance for credit losses of $26.1 million and $53.8 million as of December 31, 2021 and 2020, respectively | 717.7 | 379.2
Accounts receivable, allowance for credit losses | 3.9 | 7.6
Marine | Operating Segments |  |
Total assets: |  |
Total assets | $ 1,022.7 | $ 667.6

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