Goodwill and Other Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Intangible assets with finite lives:
Intangible assets with finite lives, Beginning balance	$ 74,381
Amortization, Finite lived intangible assets, Beginning balance	(47,313)
Intangible assets with Finite lives, Beginning balance	27,068
Amortization, intangible assets	(1,112)
Other, Gross carrying amount	(148)
Other, Finite lived intangible assets	(148)
Intangible assets with finite lives, Ending balance	74,233
Amortization, Finite lived intangible assets, Ending balance	(48,425)
Intangible assets with Finite lives, Ending balance	25,808
Intangible assets
Total intangible assets - net, Beginning balance	336,907
Other, Total intangible assets - net	630
Total intangible assets - net, Ending balance	336,425
Tradename [Member]
Intangible assets
Intangible assets with indefinite lives, Beginning balance	309,839
Other, Tradename	778
Intangible assets with indefinite lives, Ending balance	$ 310,617