v3.26.3
Earnings Per Share (Details 1) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Numerator:        
Net income attributable to Graham Holdings Company common stockholders $ 75,110 $ 122,925 $ 385,319 $ 183,568
Less: Dividends paid-common stock outstanding and unvested restricted shares (7,803) (7,852) (32,154) (31,360)
Undistributed earnings $ 67,307 $ 115,073 $ 353,165 $ 152,208
Percent allocated to common stockholders 99.43% 99.39% 99.43% 99.39%
Undistributed earnings allocated to common stockholders $ 66,921 $ 114,372 $ 351,139 $ 151,280
Add: Dividends paid-common stock outstanding 7,758 7,803 31,974 31,168
Numerator for basic earnings per share 74,679 122,175 383,113 182,448
Add: Additional undistributed earnings due to dilutive stock options 4 7 21 8
Numerator for diluted earnings per share $ 74,683 $ 122,182 $ 383,134 $ 182,456
Denominator:        
Weighted average shares outstanding (shares) 4,198 4,334 4,264 4,329
Denominator for diluted earnings per share (shares) 4,243 4,378 4,309 4,370
Graham Holdings Company Common Stockholders:        
Basic earnings per common share (in USD per share) $ 17.79 $ 28.19 $ 89.84 $ 42.15
Diluted earnings per common share (in USD per share) $ 17.60 $ 27.91 $ 88.92 $ 41.75
Stock Options [Member]        
Denominator:        
Add: Effect of dilutive stock options (shares) 45 44 45 41