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Company Transformation - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Transformation cost	$ 2.2	$ 132.8	$ 19.7	$ 279.4

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- Definition

Transformation costs before income tax expense.

+ References

No definition available.

+ Details

Name:	itt_TransformationCostsBeforeIncomeTaxExpense
Namespace Prefix:	itt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration