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Long-Term Incentive Employee Compensation - Long-Term Incentive Employee Compensation Costs (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011
Schedule Of Share Based Compensation Arrangement [Line Items] |  |
Transformation costs | $ 0.5 | $ 13.0

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- Details
Name: | itt_ScheduleOfShareBasedCompensationArrangementLineItems
Namespace Prefix: | itt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Transformation Related Employee Stock Based Compensation Costs + References No definition available. + Details
Name: | itt_TransformationRelatedEmployeeStockBasedCompensationCosts
Namespace Prefix: | itt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration