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