CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
Net sales	$ 1,560.1	$ 1,451.2
Cost of sales	1,044.2	992.0
Gross profit	515.9	459.2
Acquisition-related expenses		30.3
Selling, general and administrative expenses	201.8	189.5
Operating income	314.1	239.4
Interest expense	(19.3)	(18.1)
Other income, net	3.6	1.0
Income before income taxes	298.4	222.3
Provision for income taxes	(71.1)	(63.9)
Net income	227.3	158.4
Less: Net income attributable to noncontrolling interests	(2.4)	(1.8)
Net income attributable to Amphenol Corporation	$ 224.9	$ 156.6
Net income per common share - Basic (in dollars per share)	$ 0.73	$ 0.51
Weighted average common shares outstanding - Basic (in shares)	306.6	307.6
Net income per common share - Diluted (in dollars per share)	$ 0.71	$ 0.50
Weighted average common shares outstanding - Diluted (in shares)	316.4	314.2
Dividends declared per common share (in dollars per share)	$ 0.16	$ 0.14