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Company Transformation - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Transformation costs before income tax expense | $ 20.8 | $ 636.2
Continuing Operations [Member] |  |
Transformation costs before income tax expense | 13.0 | 396.1
Discontinued Operations [Member] |  |
Transformation costs before income tax expense | $ 7.8 | $ 240.1

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- Definition Transformation costs represent costs incurred in connection with activities taken to create the revised organizational structure and to complete the Distribution. + References No definition available. + Details
Name: | itt_TransformationCostsBeforeTax
Namespace Prefix: | itt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration