XML 28 R22.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Debt (Tables)
 6 Months Ended
Jun. 30, 2011
Debt  
Interest Expense
Three Months Ended
June 30,		    Six Months Ended
June 30,
    2011            2010            2011            2010    
$507    $514    $1,064    $934