Condensed Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Condensed Consolidated Statements of Income
Net sales	$ 1,987.5	$ 2,015.3	$ 3,849.5	$ 3,973.8
Cost of sales	1,383.7	1,367.7	2,685.9	2,698.4
Gross profit	603.8	647.6	1,163.6	1,275.4
Acquisition-related expenses	0.0	8.9	0.0	25.4
Selling, general and administrative expenses	246.4	239.2	489.3	474.3
Operating income	357.4	399.5	674.3	775.7
Interest expense	(30.2)	(30.0)	(59.0)	(59.7)
Other income, net	1.3	0.1	2.4	3.1
Income before income taxes	328.5	369.6	617.7	719.1
Provision for income taxes	(68.0)	(78.7)	(114.0)	(158.3)
Net income	260.5	290.9	503.7	560.8
Less: Net income attributable to noncontrolling interests	(2.8)	(2.5)	(3.9)	(4.8)
Net income attributable to Amphenol Corporation	$ 257.7	$ 288.4	$ 499.8	$ 556.0
Net income per common share - Basic (in dollars per share)	$ 0.87	$ 0.97	$ 1.68	$ 1.87
Weighted average common shares outstanding - Basic (in shares)	296.6	298.0	297.0	298.1
Net income per common share - Diluted (in dollars per share)	$ 0.85	$ 0.93	$ 1.64	$ 1.80
Weighted average common shares outstanding - Diluted (in shares)	304.0	308.7	305.2	308.7