INTANGIBLE ASSETS AND GOODWILL (Details) (USD $)	2 Months Ended	3 Months Ended	6 Months Ended		1 Months Ended	4 Months Ended
	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Apr. 30, 2011 Predecessor	Apr. 30, 2011 Predecessor	Jun. 30, 2012 Customer relationships	Dec. 31, 2011 Customer relationships	Jun. 30, 2012 Trade names and other	Dec. 31, 2011 Trade names and other	Jun. 30, 2012 Patents	Dec. 31, 2011 Patents	Jun. 30, 2012 Core and developed technology	Dec. 31, 2011 Core and developed technology
Intangible assets
Cost		$ 364,311,000	$ 364,311,000	$ 364,404,000			$ 170,237,000	$ 170,269,000	$ 24,802,000	$ 24,859,000	$ 105,700,000	$ 105,700,000	$ 63,572,000	$ 63,576,000
Accumulated Amortization		37,330,000	37,330,000	21,338,000			11,755,000	6,723,000	1,920,000	1,102,000	18,675,000	10,663,000	4,980,000	2,850,000
Net Book		326,981,000	326,981,000	343,066,000			158,482,000	163,546,000	22,882,000	23,757,000	87,025,000	95,037,000	58,592,000	60,726,000
Amortization expense	$ 5,900,000	$ 7,900,000	$ 16,000,000		$ 2,400,000	$ 11,800,000