v2.4.0.6
Intangible Assets (Estimated Future Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
2012 (Remaining Nine Months) $ 47,509
2013 64,283
2014 66,735
2015 73,261
2016 100,048
2017 132,786
Total $ 484,622