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The Company and its Significant Accounting Policies (Details) - Sales Revenue, Net [Member]	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Concentration Risk [Line Items]
Percentage	10.00%	10.00%	10.00%
Montblanc [Member]
Concentration Risk [Line Items]
Percentage	21.00%	23.00%	21.00%
Jimmy Choo [Member]
Concentration Risk [Line Items]
Percentage	18.00%	17.00%	20.00%
Lanvin [Member]
Concentration Risk [Line Items]
Percentage	11.00%	12.00%	15.00%

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
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