Restructuring Costs Restructuring Costs (Details 3) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring expenses			$ 1,361	$ 16,383	$ 25,832
Total COGS and SGA
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning		$ 21,861	12,426	21,861
Restructuring expenses	$ 16,974	8,400	1,361	16,974	27,521
Utilization			(10,010)	(26,409)	(5,660)
Restructuring Reserve, Ending	12,426		3,777	12,426	21,861
Total COGS and SGA | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning		18,191	10,941	18,191
Restructuring expenses			924	11,860	19,866
Utilization			(8,409)	(19,110)	(1,675)
Restructuring Reserve, Ending	10,941		3,456	10,941	18,191
Total COGS and SGA | Asset write-down [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning		0	0	0
Restructuring expenses			0	590	1,689
Utilization			0	(590)	(1,689)
Restructuring Reserve, Ending	0		0	0	0
Total COGS and SGA | Facility Exit [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Beginning		$ 3,670	1,485	3,670
Restructuring expenses			437	4,524	5,966
Utilization			(1,601)	(6,709)	(2,296)
Restructuring Reserve, Ending	$ 1,485		$ 321	$ 1,485	$ 3,670