| Balance Sheets | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 |
|---|---|---|---|---|
| Cash, cash equivalent, restricted cash, and restricted cash equivalent, continuing operation | 696,600 | 604,800 | 571,900 | 667,000 |
| Accounts receivable, after allowance for credit loss, current | 4,273,100 | 4,069,600 | 4,204,200 | 3,942,800 |
| Other accounts receivable | NaN | 522,400 | NaN | NaN |
| Accounts and other receivables, net, current | 478,900 | NaN | 460,300 | 410,700 |
| Inventories, net | 4,213,100 | 4,008,800 | 4,059,100 | 3,971,200 |
| Prepaid expenses and other current assets | 291,900 | 250,600 | 270,800 | 251,900 |
| Assets, current | 9,953,600 | 9,456,200 | 9,566,300 | 9,243,600 |
| Property, buildings and equipment, net of accumulated depreciation of 229,041 and 213,758 in 2014 and 2013, respectively | 476,000 | 466,800 | 448,000 | 453,300 |
| Operating lease, right-of-use asset | 889,000 | 888,300 | 892,200 | 844,900 |
| Intangible assets, net | 1,745,900 | 1,769,200 | 1,789,100 | 1,815,100 |
| Goodwill | 3,331,600 | 3,343,400 | 3,331,300 | 3,351,700 |
| Deferred income tax assets, net | 48,400 | 45,700 | 45,900 | 45,900 |
| Other assets | 520,200 | 525,300 | 480,500 | 448,000 |
| Assets | 16,964,700 | 16,494,900 | 16,553,300 | 16,202,500 |
| Accounts payable | 3,470,500 | 3,030,500 | 3,375,100 | 3,291,400 |
| Accrued payroll and benefit costs | 203,500 | 283,000 | 251,100 | 212,900 |
| Current portion of long-term debt | 22,800 | 25,000 | 28,000 | 27,300 |
| Other liabilities, current | 991,400 | 958,300 | 925,500 | 899,600 |
| Liabilities, current | 4,688,200 | 4,296,800 | 4,579,700 | 4,431,200 |
| Total long-term debt | 5,738,100 | 5,756,400 | 5,721,900 | 5,641,200 |
| Operating lease, liability, noncurrent | 749,700 | 752,200 | 763,800 | 719,000 |
| Deferred income tax liabilities, net | 455,800 | 427,200 | 414,400 | 414,300 |
| Other liabilities, noncurrent | 235,000 | 235,900 | 231,800 | 241,800 |
| Preferred stock, .01 par value 20,000,000 shares authorized, no shares issued or outstanding-Series APreferred Stock | NaN | 0 | 0 | 0 |
| Liabilities | 11,866,800 | 11,468,500 | 11,711,600 | 11,447,500 |
| Preferred stock, .01 par value 20,000,000 shares authorized, no shares issued or outstanding-Preferred Stock | 0 | 0 | 0 | 0 |
| Common stock-Common Stock | 700 | 700 | 700 | 700 |
| Common stock-Common Class B | 0 | 0 | 0 | 0 |
| Additional capital | 1,515,300 | 1,507,300 | 1,495,500 | 1,484,800 |
| Retained earnings | 5,635,800 | 5,513,400 | 5,370,400 | 5,205,000 |
| Treasury stock, at cost 25,802,916 and 25,685,964 shares in 2026 and 2025, respectively | 1,622,600 | 1,590,300 | 1,589,600 | 1,546,800 |
| Accumulated other comprehensive income | -426,400 | -399,500 | -429,200 | -381,500 |
| Total wesco international, inc. equity | 5,102,800 | 5,031,600 | 4,847,800 | 4,762,200 |
| Noncontrolling interest | -4,900 | -5,200 | -6,100 | -7,200 |
| Total equity | 5,097,900 | 5,026,400 | 4,841,700 | 4,755,000 |
| Liabilities and equity | 16,964,700 | 16,494,900 | 16,553,300 | 16,202,500 |
WESCO INTERNATIONAL INC (WCC)
WESCO INTERNATIONAL INC (WCC)