Restructuring (Restructuring Accruals) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Restructuring Reserve [Roll Forward]
Balance at January 1, 2015			$ 6,056
Restructuring expenses	$ 4,723	$ 0	4,723	$ 0
Payments, utilization and other			(7,235)
Balance at September 30, 2015	$ 3,544		$ 3,544