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v2.3.0.11

Derivative Instruments (Narrative) (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2011 | Dec. 31, 2011
Interest rate exchange agreement expiration date | December 2011 | December 2011
Notional amount | $ 82.0 |
Floating-rate debt converted into fixed-rate debt | 100.0 |
Other comprehensive income in shareholders' equity based on interest rate, approximate | 4.7 |
Notional amount foreign currency exchange contracts | 0.5 |
Term Loan [Member] |  |
Interest rate | 4.00% |
Current margin, basis point spread over LIBOR | 80 |
Interest Rate Exchange Agreement [Member] |  |
Notional amount | 82.0 |
Floating-rate debt converted into fixed-rate debt | 100.0 |
Interest rate | 4.00% |
Other comprehensive income in shareholders' equity based on interest rate, approximate | 1.2 |
Forward Starting Interest Rate Contract [Member] |  |
Other comprehensive income in shareholders' equity based on interest rate, approximate | $ 3.5 |

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- Definition Current margin basis point. + Details
Name: | iex_CurrentMarginBasisPoint
Namespace Prefix: | iex
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Interest rate exchange agreement expiration date + Details
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Namespace Prefix: | iex
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Balance Type: | na
Period Type: | instant

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- Definition Total monetary amount specified by the derivative(s). Expressed as an absolute value. + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument. + Details
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- Definition Fixed interest rate related to the interest rate derivative. + Details
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Data Type: | us-types:percentItemType
Balance Type: | na
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- Definition The income statement location of the effective portion of net gain or loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -Clause 3 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Aggregate notional amount of foreign currency exchange rate derivatives. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. + Details
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Namespace Prefix: | us-gaap
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