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Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Anixter International [Member] |  |  |  |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |  |  |  |
Valuation Allowances and Reserves, Charged to Other Accounts |  | $ 59,300 |  |  |  |  |
Allowance for Doubtful Accounts |  |  |  |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount |  | 23,909 |  | $ 25,443 | $ 24,468 |  | $ 21,313
Valuation Allowances and Reserves, Charged to Cost and Expense |  | 11,701 |  | 7,006 | 10,854 |  |
Valuation Allowances and Reserves, Charged to Other Accounts | [1] | 5,160 |  | 52 | 0 |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | [2] | (18,395) |  | (6,083) | (7,699) |  |
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset |  |  |  |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount |  | 60,629 |  | 5,854 | 4,072 | $ 2,518 |
Valuation Allowances and Reserves, Charged to Cost and Expense |  | 1,900 |  | 1,745 | 1,608 |  |
Valuation Allowances and Reserves, Charged to Other Accounts |  | 52,875 | [3] | 37 | (54) |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction |  | $ 0 |  | $ 0 | $ 0 |  |
[1] | For the year ended December 31, 2020, the amount charged to other accounts relates to the acquisition of Anixter.
[2] | Includes a reduction in the allowance for expected credit losses due to the write-off of accounts receivable.
[3] | 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.

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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