Quarterly report pursuant to Section 13 or 15(d)

Litigation - Additional Information (Detail)

v3.8.0.1
Litigation - Additional Information (Detail)
 9 Months Ended 81 Months Ended
Apr. 17, 2015
Case
Plaintiff
Sep. 30, 2017
Case
Claim
Plaintiff
Sep. 30, 2017
Case
Claim
Oct. 06, 2014
Case
Loss Contingencies [Line Items]        
Number of personal injury cases filed   12    
Number of personal Injury cases settled | Claim     26  
Skechers U.S.A., Inc., Skechers U.S.A., Inc. II and Skechers Fitness Group [Member]        
Loss Contingencies [Line Items]        
Number of claim dismissed in part   21    
Filed As Formal Actions [Member]        
Loss Contingencies [Line Items]        
Number of personal Injury cases settled | Claim     9  
Plaintiff Fact Sheets [Member]        
Loss Contingencies [Line Items]        
Number of personal Injury cases settled | Claim     17  
Number of unfiled claims abandoned | Claim     38  
Superior Courts of the State of California [Member] | Skechers U.S.A., Inc., Skechers U.S.A., Inc. II and Skechers Fitness Group [Member]        
Loss Contingencies [Line Items]        
Number of personal injury cases filed   72    
Number of claims plaintiffs | Plaintiff   920    
LASC Coordinated Cases [Member] | Skechers U.S.A., Inc., Skechers U.S.A., Inc. II and Skechers Fitness Group [Member]        
Loss Contingencies [Line Items]        
Number of pending cases   13 13 3
Number of claims plaintiffs | Plaintiff 647 68    
Number claims settled and dismissed 57      
Number claims partially dismissed   11    
Number of claims plaintiffs fully resolved and dismissed | Plaintiff   219    
Number of plaintiffs proceeding | Plaintiff   18    
Personal Injury Lawsuits Involving Shapeups [Member]        
Loss Contingencies [Line Items]        
Number of pending cases   16 16  
MDL [Member]        
Loss Contingencies [Line Items]        
Number of pending cases | Claim   3 3  
Number of personal injury cases filed     1,235  
Number of personal Injury cases settled | Claim     1,754  
Number of cases in dismissed     71  
MDL [Member] | Settled Litigation [Member]        
Loss Contingencies [Line Items]        
Number claims settled and dismissed | Claim   11    
Number of plaintiff action settled and yet to be dismissed   1    
MDL [Member] | Filed As Formal Actions [Member]        
Loss Contingencies [Line Items]        
Number of personal Injury cases settled | Claim     1,152  
MDL [Member] | Plaintiff Fact Sheets [Member]        
Loss Contingencies [Line Items]        
Number of personal Injury cases settled | Claim     602  
MDL [Member] | Superior Courts of the State of California [Member] | Skechers U.S.A., Inc., Skechers U.S.A., Inc. II and Skechers Fitness Group [Member]        
Loss Contingencies [Line Items]        
Number of claims plaintiffs | Plaintiff   360    
Multi-Plaintiff Lawsuits [Member] | Skechers U.S.A., Inc., Skechers U.S.A., Inc. II and Skechers Fitness Group [Member]        
Loss Contingencies [Line Items]        
Number of cases in dismissed   28    
Multi-Plaintiff Lawsuits [Member] | Skechers U.S.A., Inc., Skechers U.S.A., Inc. II and Skechers Fitness Group [Member] | Pending Litigation [Member]        
Loss Contingencies [Line Items]        
Number of claims plaintiffs | Plaintiff   5    
Multi-Plaintiff Lawsuits [Member] | LASC Coordinated Cases [Member] | Skechers U.S.A., Inc., Skechers U.S.A., Inc. II and Skechers Fitness Group [Member] | Settled Litigation [Member]        
Loss Contingencies [Line Items]        
Number of claims plaintiffs | Plaintiff   1    
Single Plaintiff Lawsuit [Member] | Skechers U.S.A., Inc., Skechers U.S.A., Inc. II and Skechers Fitness Group [Member]        
Loss Contingencies [Line Items]        
Number of cases in dismissed   1    
Single Plaintiff Lawsuit [Member] | Skechers U.S.A., Inc., Skechers U.S.A., Inc. II and Skechers Fitness Group [Member] | Settled Litigation [Member]        
Loss Contingencies [Line Items]        
Number of plaintiff action settled and yet to be dismissed   1