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Goodwill And Intangible Assets (Schedule Of Changes In The Carrying Amount Of Goodwill) (Details) (USD $) In Thousands | 6 Months Ended
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Jun. 30, 2011
Balance at December 31, 2010 | $ 1,207,001 | [1]
Acquisition adjustments | 286 |
Foreign currency translation | 23,136 |
Acquisitions | 220,565 |
Balance at June 30, 2011 | 1,450,988 |
Fluid & Metering Technologies [Member] |  |
Balance at December 31, 2010 | 523,766 | [1]
Foreign currency translation | 10,049 |
Balance at June 30, 2011 | 533,815 |
Health & Science Technologies [Member] |  |
Balance at December 31, 2010 | 439,415 | [1]
Acquisition adjustments | 286 |
Foreign currency translation | 1,744 |
Acquisitions | 220,565 |
Balance at June 30, 2011 | 662,010 |
Dispensing Equipment [Member] |  |
Balance at December 31, 2010 | 98,780 | [1]
Foreign currency translation | 6,634 |
Balance at June 30, 2011 | 105,414 |
Fire & Safety/Diversified Products [Member] |  |
Balance at December 31, 2010 | 145,040 | [1]
Foreign currency translation | 4,709 |
Balance at June 30, 2011 | $ 149,749 |
[1] | Revised to reflect the movement of the Pharma group from the Fluid & Metering Technologies Segment to the Health & Science Technologies Segment.

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- Definition Purchase accounting adjustments needed to revise the carrying amount of goodwill to fair value. + Details
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Namespace Prefix: | iex
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The increase (decrease) to the recorded value of goodwill for foreign currency translation adjustments. + Details
Name: | iex_GoodwillTranslationAdjustments
Namespace Prefix: | iex
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 43 + Details
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Namespace Prefix: | us-gaap
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e(1) + Details
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