Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consolidated Statements of Income
Net sales	$ 10,876.3	$ 8,598.9	$ 8,225.4
Cost of sales	7,474.5	5,934.8	5,609.4
Gross profit	3,401.8	2,664.1	2,616.0
Acquisition-related expenses	70.4	11.5	25.4
Selling, general and administrative expenses	1,226.3	1,014.2	971.4
Operating income	2,105.1	1,638.4	1,619.2
Interest expense	(115.5)	(115.4)	(117.6)
Loss on early extinguishment of debt	0.0	0.0	(14.3)
Other income (expense), net	(0.4)	3.6	8.6
Income from continuing operations before income taxes	1,989.2	1,526.6	1,495.9
Provision for income taxes	(409.1)	(313.3)	(331.9)
Net income from continuing operations	1,580.1	1,213.3	1,164.0
Less: Net income from continuing operations attributable to noncontrolling interests	(10.7)	(9.9)	(9.0)
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	0.0	0.0
Net income attributable to Amphenol Corporation	$ 1,590.8	$ 1,203.4	$ 1,155.0
Net income per common share - Basic, Continuing operations (in dollars per share)	$ 2.62	$ 2.02	$ 1.94
Net income per common share - Basic, Discontinued operations, net of income taxes (in dollars per share)	0.04	0	0
Net income per common share - Basic (in dollars per share)	$ 2.66	$ 2.02	$ 1.94
Weighted average common shares outstanding - Basic (in shares)	597.9	596.1	595.0
Net income per common share - Diluted, Continuing operations (in dollars per share)	$ 2.51	$ 1.96	$ 1.88
Net income per common share - Diluted, Discontinued operations, net of income taxes (in dollars per share)	0.03	0	0
Net income per common share - Diluted (in dollars per share)	$ 2.54	$ 1.96	$ 1.88
Weighted average common shares outstanding - Diluted (in shares)	625.5	615.0	615.9
Dividends declared per share (in dollars per share)	$ 0.635	$ 0.52	$ 0.48