XML 78 R58.htm IDEA: XBRL DOCUMENT v2.4.0.6
Fair Value Measurements (Details) (Recurring, USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Level 1
    
Fair value measurements    
Cash equivalents $ 178,508 $ 187,327
Other current assets (marketable securities) 31 25
Total Assets 178,539 187,352
Level 2
    
Fair value measurements    
Total Assets 7,208 81,882
Total Liabilities (10,154) (2,388)
Level 2 | Other derivative agreements
    
Fair value measurements    
Other current assets 6,862 63,051
Other long-term assets 346 18,831
Other current liabilities (6,056)  
Other long-term liabilities (1,214)  
Level 2 | Interest rate swap
    
Fair value measurements    
Other current liabilities (927) (905)
Other long-term liabilities (1,957) (1,483)
Total
    
Fair value measurements    
Cash equivalents 178,508 187,327
Other current assets (marketable securities) 31 25
Total Assets 185,747 269,234
Total Liabilities (10,154) (2,388)
Total | Other derivative agreements
    
Fair value measurements    
Other current assets 6,862 63,051
Other long-term assets 346 18,831
Other current liabilities (6,056)  
Other long-term liabilities (1,214)  
Total | Interest rate swap
    
Fair value measurements    
Other current liabilities (927) (905)
Other long-term liabilities $ (1,957) $ (1,483)