Restructuring - (Activity in Restructuring Accruals) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring Reserve [Roll Forward]
Balance, beginning		$ 40,396
Restructuring charges	[1]	71,122	$ 100,411	$ 20,424
Payments		(72,733)
Other		1,158
Balance, ending		$ 39,943	$ 40,396

[1] Represents expenses presented to management on a consolidated basis only and not allocated to the operating segments.