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Schedule of Segment Reporting Information by Segment Revenue (Parenthetical) (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
Segment Reporting Information [Line Items]
Transformation costs excluded from segment operating income	$ 0.8	$ 0.9	$ 3.0	$ 1.0

X

- Definition

Transformation cost excluded from segment operating income.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration