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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Shares issued upon exercise of stock options and warrants, income tax benefit	$ 110	$ 520	$ 692

X

- Definition

The tax expense (benefit) of stock issued during the period related to benefit plans and the exercise of stock options and warrants.

+ References

No definition available.

+ Details

Name:	ipar_StockIssuedDuringPeriodValueBenefitPlansAndExerciseOfStockOptionsAndWarrantsTax
Namespace Prefix:	ipar_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration