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v2.4.1.9

New Agreements (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended
--- | ---
Mar. 31, 2015 | Apr. 30, 2015
Rochas brand [Member] |  |
New Agreements [Line Items] |  |
Cost of the acquisition | $ 108 us-gaap_BusinessCombinationConsiderationTransferred1 / ipar_NewAgreementsAxis = ipar_RochasBrandMember |
Coach, Inc [Member] | Subsequent Event [Member] |  |
New Agreements [Line Items] |  |
License agreement term |  | 11 years

X
- Definition Term of a license agreement. + References No definition available. + Details
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Namespace Prefix: | ipar_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ipar_NewAgreementsLineItems
Namespace Prefix: | ipar_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ipar_NewAgreementsAxis=ipar_CoachIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ipar_NewAgreementsAxis=ipar_RochasBrandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |