XML 42 R27.htm IDEA: XBRL DOCUMENT v2.4.0.6
Accounts Payable And Accrued Expenses (Narrative) (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]    
The net decrease in accrued salaries and bonuses $ 56,400  
Accrued salaries and bonuses $ 91,235 $ 147,613