Quarterly report pursuant to Section 13 or 15(d)

Business and Credit Concentrations - Additional Information (Detail)

v2.4.1.9
Business and Credit Concentrations - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Customer
Concentration Risk [Line Items]      
Provision for bad debts, returns and allowances $ 4,057,000us-gaap_ProvisionForDoubtfulAccounts $ 5,103,000us-gaap_ProvisionForDoubtfulAccounts  
Credit losses attributable to write-offs 1,100,000us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs 3,800,000us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs  
Net Sales [Member] | Customer Concentration Risk [Member]      
Concentration Risk [Line Items]      
Number of largest customers 5skx_NumberOfLargestCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember 		5skx_NumberOfLargestCustomers
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember 		 
Percentage of net sales to largest customers 17.10%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember 		17.10%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember 		 
Number of customers accounting for more than 10% 0skx_NumberOfCustomersGreaterThanTenPercentThreshold
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember 		0skx_NumberOfCustomersGreaterThanTenPercentThreshold
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueGoodsNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember 		 
Net Trade Receivable [Member] | Credit Concentration Risk [Member]      
Concentration Risk [Line Items]      
Number of customers accounting for more than 10% 0skx_NumberOfCustomersGreaterThanTenPercentThreshold
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember 		  0skx_NumberOfCustomersGreaterThanTenPercentThreshold
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_AccountsReceivableMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CreditConcentrationRiskMember
Outside U.S. [Member]      
Concentration Risk [Line Items]      
Accounts receivable 230,300,000us-gaap_AccountsReceivableGross
/ us-gaap_StatementGeographicalAxis
= skx_RestOfWorldMember 		  126,200,000us-gaap_AccountsReceivableGross
/ us-gaap_StatementGeographicalAxis
= skx_RestOfWorldMember
Net total assets held outside the United States 600,500,000us-gaap_ConcentrationRiskNetAssetsAmountGeographicArea
/ us-gaap_StatementGeographicalAxis
= skx_RestOfWorldMember 		  548,900,000us-gaap_ConcentrationRiskNetAssetsAmountGeographicArea
/ us-gaap_StatementGeographicalAxis
= skx_RestOfWorldMember
Domestic [Member]      
Concentration Risk [Line Items]      
Accounts receivable $ 236,100,000us-gaap_AccountsReceivableGross
/ us-gaap_StatementGeographicalAxis
= country_US 		  166,900,000us-gaap_AccountsReceivableGross
/ us-gaap_StatementGeographicalAxis
= country_US