Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share

Schedule of the reconciliation of basic weighted average common shares outstanding to diluted weighted average common shares outstanding

(dollars and shares in millions, except per share data)	2021		2020		2019
Net income attributable to Amphenol Corporation stockholders:
Net income from continuing operations attributable to Amphenol Corporation	$	1,569.4	$	1,203.4	$	1,155.0
Income from discontinued operations attributable to Amphenol Corporation, net of income taxes of ($3.2) for 2021		21.4		—		—
Net income attributable to Amphenol Corporation	$	1,590.8	$	1,203.4	$	1,155.0
Weighted average common shares outstanding — Basic		597.9		596.1		595.0
Effect of dilutive stock options		27.6		18.9		20.9
Weighted average common shares outstanding — Diluted		625.5		615.0		615.9
Net income per common share attributable to Amphenol Corporation — Basic:
Continuing operations	$	2.62	$	2.02	$	1.94
Discontinued operations, net of income taxes		0.04		—		—
Net income attributable to Amphenol Corporation — Basic	$	2.66	$	2.02	$	1.94
Net income per common share attributable to Amphenol Corporation — Diluted:
Continuing operations	$	2.51	$	1.96	$	1.88
Discontinued operations, net of income taxes		0.03		—		—
Net income attributable to Amphenol Corporation — Diluted	$	2.54	$	1.96	$	1.88