Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

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)	2017		2016		2015
Net income attributable to Amphenol Corporation shareholders	$	650.5	$	822.9	$	763.5
Basic weighted average common shares outstanding		305.7		308.3		309.1
Effect of dilutive stock options		10.8		6.9		7.4
Diluted weighted average common shares outstanding		316.5		315.2		316.5
Earnings per share attributable to Amphenol Corporation shareholders:
Basic	$	2.13	$	2.67	$	2.47
Diluted	$	2.06	$	2.61	$	2.41