Goodwill and Other Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Intangible assets with finite lives:
Intangible assets with finite lives, Beginning balance	$ 74,381
Intangible assets with Finite lives, Beginning balance	27,068
Amortization, intangible assets	2,132	1,946
Other, Gross carrying amount
Other, Finite lived intangible assets	(825)
Intangible assets with finite lives, Ending balance	73,556
Finite-lived intangible assets, Accumulated amortization	(49,611)		(47,313)
Intangible assets with Finite lives, Ending balance	23,945
Intangible assets with indefinite lives:
Total intangible assets - net, Beginning balance	336,907
Other, Total intangible assets - net	(836)
Total intangible assets - net, Ending balance	333,773
Tradename [Member]
Intangible assets with finite lives:
Amortization, intangible assets
Intangible assets with indefinite lives:
Indefinite-lived Intangible Assets, Beginning Balance	309,839
Other, Tradename	(11)
Indefinite-lived Intangible Assets, Ending Balance	$ 309,828