XML 13 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information - shares
 3 Months Ended
Mar. 30, 2019
May 02, 2019
Document and Entity Information    
Entity Registrant Name Fossil Group, Inc.  
Entity Central Index Key 0000883569  
Document Type 10-Q  
Document Period End Date Mar. 30, 2019  
Amendment Flag false  
Current Fiscal Year End Date --12-28  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding (in shares)   50,411,443
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Entity Emerging Growth Company false  
Entity Small Business false