XML 55 R75.htm IDEA: XBRL DOCUMENT v2.4.1.9
Business Segments and Geographic Information Schedule of Information on Company's Business Segments (Narrative) (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Segment Reporting Information [Line Items]      
Asset impairment charge $ 0us-gaap_AssetImpairmentCharges $ 0us-gaap_AssetImpairmentCharges $ 198,519us-gaap_AssetImpairmentCharges
Fluid & Metering Technologies      
Segment Reporting Information [Line Items]      
Asset impairment charge 27,700us-gaap_AssetImpairmentCharges
/ us-gaap_StatementBusinessSegmentsAxis
= iex_FluidAndMeteringTechnologiesMember		    
Health & Science Technologies      
Segment Reporting Information [Line Items]      
Asset impairment charge $ 170,800us-gaap_AssetImpairmentCharges
/ us-gaap_StatementBusinessSegmentsAxis
= iex_HealthAndScienceTechnologiesMember