XML 32 R44.htm IDEA: XBRL DOCUMENT v2.4.0.6
Long-Term Debt (Long-Term Debt Maturities) (Details) (USD $)
3 Months Ended
Mar. 31, 2012
Long-Term Debt Disclosure [Abstract]  
2012 (remainder) $ 0
2013 0
2014 250,000,000
2015 0
2016 250,000,000
Thereafter 1,100,000,000 [1]
Total 1,600,000,000
Unamortized premium $ 4,900,000
[1] *Excludes unamortized premiums of $4.9 million as of March 31, 2012.