XML 44 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6
Accounting for Goodwill and Other Non-current Assets Schedule of Estimated Amortization Expense (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Accounting for Goodwill and Other Non-current Assets [Abstract]  
2012 $ 108,400
2013 108,236
2014 101,150
2015 101,150
2016 $ 101,150