Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net income	$ 528,842	$ 502,413	$ 327,216
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(9,679)	18,504	22,521
Revaluation of derivatives	(287)	2,363	13,354
Defined benefit plan liability adjustment	(24,859)	(4,495)	3,354
Total other comprehensive income (loss), net of tax	(34,825)	16,372	39,229
Total comprehensive income	494,017	518,785	366,445
Less: Comprehensive income attributable to noncontrolling interests	(5,126)	(7,047)	(8,110)
Comprehensive income attributable to Amphenol Corporation	$ 488,891	$ 511,738	$ 358,335