Annual report pursuant to Section 13 and 15(d)

Stock Compensation - Additional Information (Detail)

v2.4.1.9
Stock Compensation - Additional Information (Detail) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Apr. 16, 2007
May 31, 2003
Jun. 30, 2001
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period stock option awards 3 years          
Expiration period of stock option awards 10 years          
Number of shares reserved for issuance       7,500,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance    
Intrinsic value of options exercised   $ 900,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue $ 1,900,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue      
Stock options granted 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod      
Number of options exercised 0us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised 37,696us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised 149,489us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised      
Unrecognized compensation cost related to stock option 0us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions 0us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions        
Number of shares remain available for grant 3,716,381us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant          
Recognized compensation expense 8,700,000us-gaap_AllocatedShareBasedCompensationExpense 2,400,000us-gaap_AllocatedShareBasedCompensationExpense 11,500,000us-gaap_AllocatedShareBasedCompensationExpense      
Income tax benefits (expense) 1,400,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 500,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense 500,000us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense      
Unrecognized compensation cost related to nonvested common shares 48,700,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized 5,000,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized        
Weighted average period for recognition of cost 3 years 2 years 8 months 12 days        
Total fair value of shares vested 1,900,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue 1,400,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue        
Maximum percentage of employee's compensation to purchase common stock       15.00%skx_MaximumPercentageOfEmployeesCompensationToPurchaseCommonStock    
Percentage of price of common stock purchased       85.00%skx_PercentageOfPriceOfCommonStockPurchased    
Proceeds from issuance of common stock under the employee stock purchase plan, Shares 102,153us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans 149,257us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans 186,199us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans      
Proceeds from issuance of common stock under the employee stock purchase plan $ 3,400,000us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan $ 2,600,000us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan $ 2,400,000us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan      
Employee Stock Purchase Plan 1998 [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares reserved for issuance       3,000,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_EmployeeStockMember 		   
Class A Common Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares authorized for issuance         11,215,154skx_MaximumNumberOfSharesOfCommonStockAuthorizedForIssuance
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember 		8,215,154skx_MaximumNumberOfSharesOfCommonStockAuthorizedForIssuance
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Proceeds from issuance of common stock under the employee stock purchase plan, Shares 102,000us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember 		149,000us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember 		186,000us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember