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v2.3.0.11

Fair Value Measurements (Narrative) (Details) (USD $) | 6 Months Ended
--- | ---
Jun. 30, 2011 | Jun. 30, 2010
Fair value of our credit facility, term loan and senior notes | $ 834,100,000 |
Carrying value of our credit facility, term loan and senior notes | 871,300,000 |
Transfers of assets or liabilities between Level 1 and Level 2 | $ 0 | $ 0
2.58% Senior Euro Notes [Member] |  |
Stated interest rate | 2.58% |
4.5% Senior Notes [Member] |  |
Stated interest rate | 4.50% |

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- Definition The amount of the transfers of assets or liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. + Details
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Namespace Prefix: | iex
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Long-Term Debt, Carrying Value. + Details
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Namespace Prefix: | iex
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Estimated fair value of the debt instrument at the balance-sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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