CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
Net sales	$ 1,666.5	$ 1,548.2	$ 3,226.6	$ 2,999.4
Cost of sales	1,113.9	1,050.9	2,158.1	2,042.8
Gross profit	552.6	497.3	1,068.5	956.6
Acquisition-related expenses	4.0		4.0	30.3
Selling, general and administrative expenses	212.4	197.0	414.2	386.5
Operating income	336.2	300.3	650.3	539.8
Interest expense	(23.4)	(18.0)	(42.7)	(36.1)
Other income, net	4.4	1.7	7.9	2.7
Income before income taxes	317.2	284.0	615.5	506.4
Provision for income taxes	(63.6)	(75.3)	(134.6)	(139.2)
Net income	253.6	208.7	480.9	367.2
Less: Net income attributable to noncontrolling interests	(2.1)	(2.2)	(4.5)	(4.0)
Net income attributable to Amphenol Corporation	$ 251.5	$ 206.5	$ 476.4	$ 363.2
Net income per common share - Basic (in dollars per share)	$ 0.82	$ 0.67	$ 1.56	$ 1.18
Weighted average common shares outstanding - Basic (in shares)	305.8	308.2	306.2	307.9
Net income per common share - Diluted (in dollars per share)	$ 0.80	$ 0.65	$ 1.51	$ 1.15
Weighted average common shares outstanding - Diluted (in shares)	316.1	315.4	316.3	314.8
Dividends declared per common share (in dollars per share)	$ 0.16	$ 0.14	$ 0.32	$ 0.28