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 12 Months Ended 12 Months Ended 3 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
HSN [Member]
Dec. 31, 2011
HSN [Member]
Dec. 31, 2010
HSN [Member]
Dec. 31, 2012
Cornerstone [Member]
Dec. 31, 2011
Cornerstone [Member]
Dec. 31, 2010
Cornerstone [Member]
Jun. 30, 2012
Chasing Fireflies, LLC [Member]
Goodwill [Line Items]                    
Gross Balance   $ 2,884,200 $ 2,884,200   $ 2,391,594 $ 2,391,594   $ 492,606 $ 492,606  
Accumulated Impairment   (2,884,200) (2,884,200)   (2,391,594) (2,391,594)   (492,606) (492,606)  
Goodwill [Roll Forward]                    
Beginning Balance 0 0   0 0   0 0    
Additions 9,858 0   0 0   9,858 0   9,900
Impairment 0 0   0 0   0 0    
Ending Balance $ 9,858 $ 0   $ 0 $ 0   $ 9,858 $ 0