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Equity (Schedule of Nonvested Option Activity) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014
Nonvested Options, Number of Shares
Beginning of year	367,470us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Granted	139,250us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Vested or forfeited	(121,215)ipar_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsVestedOrForfeitedInPeriod
End of year	385,505us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Weighted Average Grant Date Fair Value
Beginning of year	$ 6.68us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Granted	$ 7.42us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Vested or forfeited	$ 6.06ipar_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOrForfeitedInPeriodWeightedAverageGrantDateFairValue
End of year	$ 7.14us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue

X

- Definition

Number of nonvested share-based payment award options that vested or were forfeited during the period.

+ References

No definition available.

+ Details

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- Definition

Weighted average grant date fair value of nonvested options that were vested or forfeited during the period.

+ References

No definition available.

+ Details

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X

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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X

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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X

- Definition

Number of non-vested options outstanding.

+ References

No definition available.

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

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