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INCOME TAXES - Additional Information (Detail) $ in Millions | 3 Months Ended
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Mar. 31, 2020 USD ($)
Tax Benefit from Foreign Exchange Losses on Distributions | $ 2.0
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | $ 14.0

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- Definition Tax Benefit from Foreign Exchange Losses on Distributions + References No definition available. + Details
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Namespace Prefix: | itt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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