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SCHEDULE OF ASSUMED ASSETS AND LIABILITIES (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Nov. 01, 2022 | Dec. 31, 2021
Business Acquisition [Line Items] |  |  |  |  |
Goodwill |  | $ 3,262.3 | $ 3,240.9 |  | $ 3,208.3
Rahi Systems |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents | $ 68.6 |  |  | $ 68.6 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables | 52.6 |  |  | 52.6 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory | 69.0 |  |  | 49.4 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | 105.8 |  |  | 105.8 |
Goodwill, Purchase Accounting Adjustments | 0.9 |  |  |  |
Goodwill | 98.3 |  |  | 97.4 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Assets | 47.5 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  |  |  | 41.1 |
BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsAssets | 26.9 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets | 441.8 |  |  | 415.0 |
wcc:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentAccountsPayable | 28.0 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable | 86.0 |  |  | 58.0 |
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Lease Obligation | 20.1 |  |  | 20.1 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities | 17.8 |  |  | 25.0 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other |  |  |  | 56.4 |
BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsLiabilities | 26.9 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities | 186.4 |  |  | 159.5 |
BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsNetAssets | 0.0 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net | 255.4 |  |  | $ 255.4 |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory | 19.6 |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets | 6.4 |  |  |  |
us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentDeferredIncomeTaxes | (7.2) |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities | 62.5 |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities | $ 6.1 |  |  |  |

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