Postretirement Benefits Other Than Pensions (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended		5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2012	May 31, 2010 U.S. Other Postretirement Benefits [Member] Predecessor [Member]	Dec. 31, 2010 U.S. Other Postretirement Benefits [Member] Predecessor [Member]	Dec. 31, 2012 U.S. Other Postretirement Benefits [Member] Successor [Member]	Dec. 31, 2011 U.S. Other Postretirement Benefits [Member] Successor [Member]	May 31, 2010 Non-U.S. Other Postretirement Benefits [Member] Predecessor [Member]	Dec. 31, 2010 Non-U.S. Other Postretirement Benefits [Member] Predecessor [Member]	Dec. 31, 2012 Non-U.S. Other Postretirement Benefits [Member] Successor [Member]	Dec. 31, 2011 Non-U.S. Other Postretirement Benefits [Member] Successor [Member]
Schedule of net periodic benefit cost for the plan
Service cost		$ 481	$ 705	$ 542	$ 1,196	$ 157	$ 308	$ 650	$ 635
Interest cost		1,341	1,893	1,795	3,004	360	506	822	917
Amortization of prior service cost (credit) and recognized actuarial loss (gain)		(1,381)		(1,777)	2	(14)		(54)
Curtailment gain	1,539			(1,539)	(384)
Other		35	50	75	85
Net amount recognized at December 31		$ 476	$ 2,648	$ (904)	$ 3,903	$ 503	$ 814	$ 1,418	$ 1,552