Business Combination (Schedule Of Costs And Expenses Reflected In The Income Before Income Taxes) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011
Business Combinations [Abstract]
Costs of completing the acquisition	$ 31,600,000
Severance costs	15,800,000
Write off of acquired assets	7,300,000
Bridge financing fees	49,490,000
Total cost and expenses	$ 104,200,000