Fair Value Measurements (Fair Value Measurements Used in Testing) (Details) - USD ($) $ in Thousands			12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Finite Lived Intangible Assets Fair Value Used In Testing for Impairment	$ 68,865
Goodwill Fair Value Measurement Used in Testing for Impairment	330,500
Property, Plant and Equipment Fair Value Measurment Used in Testing Impairment of Long-Lived Assets	74,938
Reduction in value of goodwill			$ 330,500	$ 1,326,701
Impairment of Intangible Assets, Finite-lived			68,900
Impairment of Long-Lived Assets Held-for-use			$ 101,000
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill Fair Value Measurement Used in Testing for Impairment	668,864
Property, Plant and Equipment Fair Value Measurment Used in Testing Impairment of Long-Lived Assets	$ 294,457
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Finite Lived Intangible Assets Fair Value Used In Testing for Impairment		$ 68,890
Goodwill Fair Value Measurement Used in Testing for Impairment		1,326,701
Property, Plant and Equipment Fair Value Measurment Used in Testing Impairment of Long-Lived Assets		177,442
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Finite Lived Intangible Assets Fair Value Used In Testing for Impairment		6,345
Goodwill Fair Value Measurement Used in Testing for Impairment		998,288
Property, Plant and Equipment Fair Value Measurment Used in Testing Impairment of Long-Lived Assets		$ 179,612