v3.26.1
EARNINGS PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2026
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table sets forth the computation of Basic and Diluted earnings per share for the periods presented:
Three Months EndedSix Months Ended
 June 30June 30
(In millions, except per share data)2026202520262025
Net income attributable to WESCO International, Inc.$209.0 $174.5 $362.8 $292.9 
Plus: Gain on redemption of Series A Preferred Stock— 27.6 — 27.6 
Less: Preferred stock dividends— 12.9 — 27.3 
Net income attributable to common stockholders$209.0 $189.2 $362.8 $293.2 
Weighted-average common shares outstanding used in computing basic earnings per share
48.8 48.8 48.7 48.8 
Common shares issuable upon exercise of dilutive equity awards
0.6 0.6 0.8 0.7 
Weighted-average common shares outstanding and common share equivalents used in computing diluted earnings per share49.4 49.4 49.5 49.5 
Earnings per share attributable to common stockholders
Basic$4.28 $3.88 $7.45 $6.01 
Diluted$4.23 $3.83 $7.33 $5.92