Fair Value Measurements (Fair Value Measurements Used in Testing) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant and Equipment Fair Value Measurment Used in Testing Impairment of Long-Lived Assets	$ 134,000
Indefinite-lived Intangible Assets, Impairment Losses	(10,334)
Impairment of Long-Lived Assets to be Disposed of	(35,762)	(32,004)
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, Plant and Equipment Fair Value Measurment Used in Testing Impairment of Long-Lived Assets	$ 134,000