v3.26.1
Earnings Per Share (Details 1) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Numerator:        
Net income attributable to Graham Holdings Company common stockholders $ 281,103 $ 36,749 $ 310,209 $ 60,643
Less: Dividends paid-common stock outstanding and unvested restricted shares (7,953) (7,846) (24,351) (23,508)
Undistributed earnings $ 273,150 $ 28,903 $ 285,858 $ 37,135
Percent allocated to common stockholders 99.43% 99.39% 99.43% 99.39%
Undistributed earnings allocated to common stockholders $ 271,589 $ 28,726 $ 284,225 $ 36,908
Add: Dividends paid-common stock outstanding 7,908 7,798 24,214 23,364
Numerator for basic earnings per share 279,497 36,524 308,439 60,272
Add: Additional undistributed earnings due to dilutive stock options 16 2 16 2
Numerator for diluted earnings per share $ 279,513 $ 36,526 $ 308,455 $ 60,274
Denominator:        
Weighted average shares outstanding (shares) 4,265 4,333 4,298 4,327
Denominator for diluted earnings per share (shares) 4,309 4,373 4,342 4,366
Graham Holdings Company Common Stockholders:        
Basic earnings per common share (in USD per share) $ 65.53 $ 8.43 $ 71.76 $ 13.93
Diluted earnings per common share (in USD per share) $ 64.86 $ 8.35 $ 71.04 $ 13.81
Stock Options [Member]        
Denominator:        
Add: Effect of dilutive stock options (shares) 44 40 44 39