Fair Value Measurements (Fair Value Measurements Used in Testing) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Fair Value Measurements [Abstract]
Reduction in Value of Goodwill	$ 740,000	$ 330,500	$ 1,315,389
Reduction in Value of Long-lived Assets	$ 15,632	105,859	$ 165,888
Impairment of Property, Plant and Equipment		38,977
Impairment of Intangible Assets (Excluding Goodwill)		66,882
Goodwill fair value measurement used in testing for impairment		668,864
Property, Plant and Equipment Fair Measurment Used in Testing Impairment of Long-lived Assets		$ 284,457