Annual report pursuant to Section 13 and 15(d)

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

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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, 2013
Dec. 31, 2012
Dec. 31, 2011
Goodwill [Line Items]      
Gross Balance   $ 2,894,058 $ 2,884,200
Accumulated Impairment   (2,884,200) (2,884,200)
Goodwill [Roll Forward]      
Beginning Balance 9,858 0  
Additions 0 9,858  
Impairment 0 0  
Ending Balance 9,858 9,858  
HSN [Member]
      
Goodwill [Line Items]      
Gross Balance   2,391,594 2,391,594
Accumulated Impairment   (2,391,594) (2,391,594)
Goodwill [Roll Forward]      
Beginning Balance 0 0  
Additions 0 0  
Impairment 0 0  
Ending Balance 0 0  
Cornerstone [Member]
      
Goodwill [Line Items]      
Gross Balance   502,464 492,606
Accumulated Impairment   (492,606) (492,606)
Goodwill [Roll Forward]      
Beginning Balance 9,858 0  
Additions 0 9,858  
Impairment 0 0  
Ending Balance $ 9,858 $ 9,858