Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share

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

	Three Months Ended June 30,				Six Months Ended June 30,
(dollars and shares in millions, except per share data)	2018		2017		2018		2017
Net income attributable to Amphenol Corporation shareholders	$	284.8	$	251.5	$	550.4	$	476.4
Basic weighted average common shares outstanding		300.8		305.8		302.3		306.2
Effect of dilutive stock options		11.5		10.3		11.9		10.1
Diluted weighted average common shares outstanding		312.3		316.1		314.2		316.3
Earnings per share attributable to Amphenol Corporation shareholders:
Basic	$	0.95	$	0.82	$	1.82	$	1.56
Diluted	$	0.91	$	0.80	$	1.75	$	1.51