Annual report pursuant to Section 13 and 15(d)

Intangible Assets And Goodwill (Narrative 2) (Details)

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Intangible Assets And Goodwill (Narrative 2) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Jun. 30, 2012
Chasing Fireflies, LLC [Member]
Acquired Finite-Lived Intangible Assets [Line Items]          
Finite-lived intangible assets, net         $ 3.8
Impairment charge 2.2        
Amortization of definite-lived intangible assets   $ 1.8 $ 0.4 $ 0.6