XML 46 R33.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2011
Long-Term Debt [Abstract]  
Redemption Price of Senior Notes in Long Term Debt
         
Period   Redemption Price
2011
    104.438 %
2012
    102.219 %
2013 and thereafter
    100.000 %