Consolidated Statements of Income (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Income
Net sales	$ 4,292,065	$ 3,939,786	$ 3,554,101
Cost of sales	2,948,853	2,696,126	2,395,873
Gross profit	1,343,212	1,243,660	1,158,228
Casualty loss related to flood		21,479
Change in contingent acquisition-related obligations		(17,813)
Acquisition-related expenses	2,000	2,000
Selling, general and administrative expenses	512,867	486,316	457,871
Operating income	828,345	751,678	700,357
Interest expense	(59,613)	(43,029)	(40,741)
Other income, net	10,109	8,103	4,072
Income before income taxes	778,841	716,752	663,688
Provision for income taxes	(219,333)	(187,910)	(161,275)
Net income	559,508	528,842	502,413
Less: Net income attributable to noncontrolling interests	(4,191)	(4,651)	(6,008)
Net income attributable to Amphenol Corporation	$ 555,317	$ 524,191	$ 496,405
Net income per common share - Basic (in dollars per share)	$ 3.44	$ 3.09	$ 2.86
Weighted average common shares outstanding - Basic (in shares)	161,522,080	169,640,115	173,785,650
Net income per common share - Diluted (in dollars per share)	$ 3.39	$ 3.05	$ 2.82
Weighted average common shares outstanding - Diluted (in shares)	163,947,111	171,825,588	176,325,993
Dividends declared per common share (in dollars per share)	$ 0.42	$ 0.06	$ 0.06