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Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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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