Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Consolidated Statements of Income
Net sales	$ 6,286.4	$ 5,568.7	$ 5,345.5
Cost of sales	4,246.4	3,789.2	3,651.7
Gross profit	2,040.0	1,779.5	1,693.8
Acquisition-related expenses	36.6	5.7	14.1
Selling, general and administrative expenses	798.2	669.1	645.1
Operating income	1,205.2	1,104.7	1,034.6
Interest expense	(72.6)	(68.3)	(80.4)
Other income, net	8.5	16.4	18.3
Income before income taxes	1,141.1	1,052.8	972.5
Provision for income taxes	(308.5)	(280.5)	(257.3)
Net income	832.6	772.3	715.2
Less: Net income attributable to noncontrolling interests	(9.7)	(8.8)	(6.1)
Net income attributable to Amphenol Corporation	$ 822.9	$ 763.5	$ 709.1
Net income per common share - Basic (in dollars per share)	$ 2.67	$ 2.47	$ 2.26
Weighted average common shares outstanding - Basic (in shares)	308.3	309.1	313.1
Net income per common share - Diluted (in dollars per share)	$ 2.61	$ 2.41	$ 2.21
Weighted average common shares outstanding - Diluted (in shares)	315.2	316.5	320.4
Dividends declared per common share (in dollars per share)	$ 0.58	$ 0.53	$ 0.45