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REVENUE (Tables) | 3 Months Ended
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Mar. 31, 2025
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue [Table Text Block] | The following table disaggregates Wesco’s net sales by geography for the periods presented:
| Three Months Ended |  |
| March 31 |  |
(In millions) | 2025 |  | 2024 |  |  |  |
United States | $ | 3,974.6 |  |  | $ | 3,997.6 |  |  |  |  |
Canada | 712.8 |  |  | 718.5 |  |  |  |  |
Other International(1) | 656.3 |  |  | 633.9 |  |  |  |  |
Total by geography(2) | $ | 5,343.7 |  |  | $ | 5,350.0 |  |  |  |  |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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