Annual report pursuant to Section 13 and 15(d)

Intangible Assets And Goodwill Intangible Assets And Goodwill (Balance of Goodwill by Reporting Unit) (Details)

v2.4.1.9
Intangible Assets And Goodwill Intangible Assets And Goodwill (Balance of Goodwill by Reporting Unit) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Goodwill [Line Items]      
Gross Balance   $ 2,894,058us-gaap_GoodwillGross $ 2,894,058us-gaap_GoodwillGross
Accumulated Impairment   (2,884,200)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss (2,884,200)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Goodwill [Roll Forward]      
Beginning Balance 9,858us-gaap_Goodwill 9,858us-gaap_Goodwill  
Additions 0us-gaap_GoodwillAcquiredDuringPeriod 0us-gaap_GoodwillAcquiredDuringPeriod  
Impairment 0us-gaap_GoodwillImpairmentLoss 0us-gaap_GoodwillImpairmentLoss  
Ending Balance 9,858us-gaap_Goodwill 9,858us-gaap_Goodwill  
HSN [Member]      
Goodwill [Line Items]      
Gross Balance   2,391,594us-gaap_GoodwillGross
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
2,391,594us-gaap_GoodwillGross
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
Accumulated Impairment   (2,391,594)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
(2,391,594)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
Goodwill [Roll Forward]      
Beginning Balance 0us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
0us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
Additions 0us-gaap_GoodwillAcquiredDuringPeriod
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
0us-gaap_GoodwillAcquiredDuringPeriod
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
Impairment 0us-gaap_GoodwillImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
0us-gaap_GoodwillImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
Ending Balance 0us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
0us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_HsnMember
 
Cornerstone [Member]      
Goodwill [Line Items]      
Gross Balance   502,464us-gaap_GoodwillGross
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
502,464us-gaap_GoodwillGross
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
Accumulated Impairment   (492,606)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
(492,606)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
Goodwill [Roll Forward]      
Beginning Balance 9,858us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
9,858us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
 
Additions 0us-gaap_GoodwillAcquiredDuringPeriod
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
0us-gaap_GoodwillAcquiredDuringPeriod
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
 
Impairment 0us-gaap_GoodwillImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
0us-gaap_GoodwillImpairmentLoss
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
 
Ending Balance $ 9,858us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember
$ 9,858us-gaap_Goodwill
/ us-gaap_StatementBusinessSegmentsAxis
= hsni_CornerstoneMember