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v2.4.1.9

Schedule of Gross Carrying Value and Accumulated Amortization for Each Major Class of Intangible Asset (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | $ 414,254 us-gaap_FiniteLivedIntangibleAssetsGross | $ 444,184 us-gaap_FiniteLivedIntangibleAssetsGross
Intangible assets - Gross Carrying Amount | 476,354 us-gaap_IntangibleAssetsGrossExcludingGoodwill | 506,284 us-gaap_IntangibleAssetsGrossExcludingGoodwill
Amortized intangible assets - Accumulated Amortization | (205,190)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | (195,057)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Amortized intangible assets - Net | 209,064 us-gaap_FiniteLivedIntangibleAssetsNet | 249,127 us-gaap_FiniteLivedIntangibleAssetsNet
Intangible assets - Net | 271,164 us-gaap_IntangibleAssetsNetExcludingGoodwill | 311,227 us-gaap_IntangibleAssetsNetExcludingGoodwill
Patents |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 10,016 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | 10,673 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember
Amortized intangible assets - Accumulated Amortization | (5,313)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | (5,179)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember
Amortized intangible assets - Net | 4,703 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember | 5,494 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_PatentsMember
Amortized intangible assets - Weighted Average Life | 11 years |
Trade Names |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 104,118 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | 104,582 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
Amortized intangible assets - Accumulated Amortization | (32,881)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | (28,310)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
Amortized intangible assets - Net | 71,237 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | 76,272 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember
Amortized intangible assets - Weighted Average Life | 16 years |
Customer Relationships |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 222,486 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember | 242,674 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Amortized intangible assets - Accumulated Amortization | (126,193)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember | (121,092)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Amortized intangible assets - Net | 96,293 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember | 121,582 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember
Amortized intangible assets - Weighted Average Life | 11 years |
Non-Compete Agreements |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 840 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember | 3,769 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
Amortized intangible assets - Accumulated Amortization | (636)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember | (3,272)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
Amortized intangible assets - Net | 204 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember | 497 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
Amortized intangible assets - Weighted Average Life | 3 years |
Unpatented technology and other |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 69,760 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember | 75,528 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember
Amortized intangible assets - Accumulated Amortization | (35,165)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember | (32,905)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember
Amortized intangible assets - Net | 34,595 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember | 42,623 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_UnpatentedTechnologyMember
Amortized intangible assets - Weighted Average Life | 11 years |
Other Amortizable Intangible Assets |  |
Goodwill And Intangible Assets [Line Items] |  |
Amortized intangible assets - Gross Carrying Amount | 7,034 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_OtherAmortizableIntangibleAssetsMember | 6,958 us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_OtherAmortizableIntangibleAssetsMember
Amortized intangible assets - Accumulated Amortization | (5,002)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_OtherAmortizableIntangibleAssetsMember | (4,299)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_OtherAmortizableIntangibleAssetsMember
Amortized intangible assets - Net | 2,032 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_OtherAmortizableIntangibleAssetsMember | 2,659 us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_OtherAmortizableIntangibleAssetsMember
Amortized intangible assets - Weighted Average Life | 10 years |
Banjo Trade Name |  |
Goodwill And Intangible Assets [Line Items] |  |
Indefinite lived intangible assets - Gross Carrying Amount | 62,100 iex_IndefiniteLivedIntangibleAssetsGrossCarryingAmount / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_BanjoTradeNameMember | 62,100 iex_IndefiniteLivedIntangibleAssetsGrossCarryingAmount / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_BanjoTradeNameMember
Indefinite lived intangible assets - Net | $ 62,100 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_BanjoTradeNameMember | $ 62,100 us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = iex_BanjoTradeNameMember

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