XML 119 R99.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Pension Plan Weighted Average Asset Allocations (Detail) | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items] |  |
Defined benefit plan securities | 100.00% | 100.00%
Equity Securities |  |
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items] |  |
Defined benefit plan securities | 46.00% | 51.00%
Debt Securities |  |
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items] |  |
Defined benefit plan securities | 48.00% | 49.00%
Cash/Other |  |
Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items] |  |
Defined benefit plan securities | 6.00% | 0.00%

X
- Definition Schedule of Defined Benefit Plan Asset Allocation Targets [Line Items] + References No definition available. + Details
Name: | iex_ScheduleOfDefinedBenefitPlanAssetAllocationTargetsLineItems
Namespace Prefix: | iex_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=iex_CashOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |