Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Adjusted EBITDA To Operating Income (Loss) And Consolidated Net Income) (Details)

v2.4.1.9
Segment Information (Adjusted EBITDA To Operating Income (Loss) And Consolidated Net Income) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Segment Reporting Information [Line Items]      
Adjusted EBITDA $ 73,151hsni_AdjustedEbitda $ 59,757hsni_AdjustedEbitda  
Stock-based compensation expense (4,657)us-gaap_ShareBasedCompensation (4,026)us-gaap_ShareBasedCompensation  
Depreciation and amortization (11,249)us-gaap_DepreciationAndAmortization (10,756)us-gaap_DepreciationAndAmortization  
CPSC settlement (a) 0us-gaap_GainLossRelatedToLitigationSettlement (3,100)us-gaap_GainLossRelatedToLitigationSettlement  
Loss on disposition of fixed assets (236)us-gaap_GainLossOnDispositionOfAssets (7)us-gaap_GainLossOnDispositionOfAssets  
Operating income 57,009us-gaap_OperatingIncomeLoss 41,868us-gaap_OperatingIncomeLoss  
Total other expense, net (3,297)us-gaap_NonoperatingIncomeExpense (1,699)us-gaap_NonoperatingIncomeExpense  
Income before income taxes 53,712us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 40,169us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments  
Income tax provision (20,023)us-gaap_IncomeTaxExpenseBenefit (15,987)us-gaap_IncomeTaxExpenseBenefit  
Net income 33,689us-gaap_NetIncomeLoss 24,182us-gaap_NetIncomeLoss 172,984us-gaap_NetIncomeLoss
HSN [Member]      
Segment Reporting Information [Line Items]      
Adjusted EBITDA 66,190hsni_AdjustedEbitda
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
59,142hsni_AdjustedEbitda
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
Stock-based compensation expense (3,607)us-gaap_ShareBasedCompensation
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
(3,145)us-gaap_ShareBasedCompensation
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
Depreciation and amortization (7,419)us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
(7,436)us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
CPSC settlement (a) 0us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
0us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
Loss on disposition of fixed assets (236)us-gaap_GainLossOnDispositionOfAssets
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
0us-gaap_GainLossOnDispositionOfAssets
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
Operating income 54,928us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
48,561us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
Cornerstone [Member]      
Segment Reporting Information [Line Items]      
Adjusted EBITDA 6,961hsni_AdjustedEbitda
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
615hsni_AdjustedEbitda
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
 
Stock-based compensation expense (1,050)us-gaap_ShareBasedCompensation
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
(881)us-gaap_ShareBasedCompensation
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
 
Depreciation and amortization (3,830)us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
(3,320)us-gaap_DepreciationAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
 
CPSC settlement (a) 0us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
(3,100)us-gaap_GainLossRelatedToLitigationSettlement
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
 
Loss on disposition of fixed assets 0us-gaap_GainLossOnDispositionOfAssets
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
(7)us-gaap_GainLossOnDispositionOfAssets
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
 
Operating income $ 2,081us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
$ (6,693)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember