CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Net sales	$ 981,604	$ 940,585
Cost of sales	672,333	636,461
Gross profit	309,271	304,124
Selling, general and administrative expenses	123,992	118,039
Operating income	185,279	186,085
Interest expense	(13,749)	(10,016)
Other income, net	2,187	1,704
Income before income taxes	173,717	177,773
Provision for income taxes	(46,469)	(48,888)
Net income	127,248	128,885
Less: Net income attributable to noncontrolling interests	(685)	(927)
Net income attributable to Amphenol Corporation	$ 126,563	$ 127,958
Net income per common share-Basic (in dollars per share)	$ 0.78	$ 0.73
Weighted average common shares outstanding-Basic (in shares)	162,861,863	175,168,297
Net income per common share-Diluted (in dollars per share)	$ 0.77	$ 0.72
Weighted average common shares outstanding-Diluted (in shares)	165,355,138	177,850,932
Dividends declared per common share (in dollars per share)	$ 0.105	$ 0.015