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Schedule II - Valuation and Qualifying Accounts (Tables) | 12 Months Ended
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Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Allowance for Doubtful Accounts |
| Balance at beginning |  | Charged to |  | Charged to other |  |  |  | Balance at
| of period |  | earnings |  | accounts(1) |  | Deductions(2) |  | end of period
Allowance for expected credit losses | (In thousands)
Year Ended December 31, 2021 | $ | 23,909 |  |  | $ | 12,944 |  |  | $ | 13,669 |  |  | $ | (8,800) |  |  | $ | 41,722 |
Year Ended December 31, 2020 | 25,443 |  |  | 11,701 |  |  | 5,160 |  |  | (18,395) |  |  | 23,909 |
Year Ended December 31, 2019 | 24,468 |  |  | 7,006 |  |  | 52 |  |  | (6,083) |  |  | 25,443 |
(1)For the years ended December 31, 2021 and 2020, the amount charged to other accounts primarily relates to the acquisition of Anixter. (2)Includes a reduction in the allowance for expected credit losses due to the write-off of trade accounts receivable.
| Balance at beginning |  | Charged to |  | Charged to other |  |  |  | Balance at
| of period |  | earnings |  | accounts(1) |  | Deductions(2) |  | end of period
Allowance for deferred tax assets | (In thousands)
Year Ended December 31, 2021 | $ | 60,629 |  |  | $ | 1,115 |  |  | $ | 1,791 |  |  | $ | (17,266) |  |  | $ | 46,269 |
Year Ended December 31, 2020 | 5,854 |  |  | 1,900 |  |  | 52,875 |  |  | — |  |  | 60,629 |
Year Ended December 31, 2019 | 4,072 |  |  | 1,745 |  |  | 37 |  |  | — |  |  | 5,854 |
(1)For the year ended December 31, 2020, the amount charged to other accounts includes $59.3 million that was recorded in connection with the acquisition of Anixter. (2)For the year ended December 31, 2021, deductions primarily include a decrease in the valuation allowance recorded against deferred tax assets related to foreign tax credit carryforwards.

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