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The Company and its Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of lanvin brand name for our class
   Year Ended December 31,
   2020  2019  2018
Montblanc   21%   22%   19%
Coach   17%   14%   15%
Jimmy Choo   16%   16%   17%
GUESS (license commenced April 1, 2018)   11%   10%   n/a 
Lanvin   7%   8%   10%