XML 16 R42.htm IDEA: XBRL DOCUMENT v2.4.0.6
Goodwill and Other Intangible Assets (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Goodwill and Other Intangible Assets (Textual) [Abstract]        
Testing date of goodwill and other intangible assets with indefinite useful lives for impairment     November 30 of each year  
Carrying amount of other intangibles impaired     $ (8,400)  
Carrying amount of Goodwill Impaired     (156,936)  
Impairment of goodwill and other intangible assets $ 165,336 $ 0 $ 165,336 $ 0