XML 143 R64.htm IDEA: XBRL DOCUMENT

Acquisitions and Divestitures - Dynamic Acquisition - Unaudited Pro Forma Results of Operations (Parenthetical) (Details) (Dynamic Acquisition, USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Dynamic Acquisition
Business Acquisition [Line Items]
Business combination, bargain purchase gain, pro forma adjustment	$ (122,696,000)	$ 122,696,000
Fees to secure financing for acquisition, pro forma adjustment	(10,900,000)	10,900,000
Reversal of deferred tax asset valuation allowance, pro forma adjustment	(100,300,000)	100,300,000
Business combination, acquisition related costs, pro forma adjustment	$ (13,000,000)	$ 13,000,000