Goodwill (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill [Line Items]

Schedule of Goodwill [Table Text Block]

A summary of changes to goodwill is as follows (in thousands):

	Successor
	Year Ended December 31, 2012		Year Ended December 31, 2011
Balance at beginning of the period	$	1,107,982	$	1,094,923
Acquisition			13,773
Foreign currency translation	296		(714		)
Balance at end of the period	$	1,108,278	$	1,107,982