Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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

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-Name Statement of Financial Accounting Standard (FAS)

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Share-Based Payments (Narrative) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair values of options granted			$ 4.99	$ 5.27
Employee stock options, term			4 years 6 months	4 years 6 months
Employee stock options, fair value of shares vested			$ 0.52	$ 0.05
Decrease in income before income tax due to share-based payment expense	0.20	0.27	0.63	0.81
Decrease in income attributable to Inter Parfums, Inc due to share-based payment expense	0.11	0.14	0.35	0.45
Weighted average remaining contractual life of options outstanding	2 years 4 months 21 days
Weighted average remaining contractual life of options outstanding, options exercisable	1 year 3 months 26 days
Aggregate intrinsic value of options outstanding	4		4
Aggregate intrinsic value of exercisable options	2.8		2.8
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted, vesting period			4 years
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted, vesting period			5 years
Inter Parfums, Inc. [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average fair values of options granted			$ 4.99	$ 5.27
Unrecognized compensation cost related to stock options	1.10		1.10
Interparfums SA [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option granted, vesting period			4 years	4 years
Unrecognized compensation cost related to stock options	$ 0.61		$ 0.61