XML 93 R75.htm IDEA: XBRL DOCUMENT v3.20.4
Earnings Per Share, Reconciliation (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share                      
Net income attributable to Amphenol Corporation shareholders $ 357.0 $ 346.6 $ 257.7 $ 242.1 $ 318.7 $ 280.3 $ 288.4 $ 267.5 $ 1,203.4 $ 1,155.0 $ 1,205.0
Basic weighted average common shares outstanding (in shares)                 298.0 297.5 301.2
Effect of dilutive stock options (in shares)                 9.5 10.4 11.4
Diluted weighted average common shares outstanding (in shares)                 307.5 307.9 312.6
Earnings per share attributable to Amphenol Corporation shareholders:                      
Basic (in dollars per share) $ 1.19 $ 1.16 $ 0.87 $ 0.81 $ 1.07 $ 0.95 $ 0.97 $ 0.90 $ 4.04 $ 3.88 $ 4.00
Diluted (in dollars per share) $ 1.15 $ 1.12 $ 0.85 $ 0.79 $ 1.03 $ 0.92 $ 0.93 $ 0.87 $ 3.91 $ 3.75 $ 3.85
Anti-dilutive common shares                      
Anti-dilutive stock options, excluded from the computations of earnings per share (in shares)                 4.7 7.1 3.3