Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Liabilities:    
Interest rate derivatives $ 2,673 $ 30,863
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
   
Assets:    
Common stocks 454  
Assets 7,227  
Liabilities:    
Deferred compensation plan liability 6,773  
Liabilities 6,773  
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual funds
   
Assets:    
Marketable securities in deferred compensation plan 6,121  
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Common stocks
   
Assets:    
Marketable securities in deferred compensation plan 414  
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other
   
Assets:    
Marketable securities in deferred compensation plan 238  
Fair value measurement on a recurring basis | Significant Other Observable Inputs (Level 2)
   
Assets:    
Warrants to purchase common shares in KEYW 133  
Assets 133  
Liabilities:    
Interest rate derivatives 2,673  
Liabilities 2,673  
Fair value measurement on a recurring basis | Total Estimated Fair Value
   
Assets:    
Common stocks 454  
Warrants to purchase common shares in KEYW 133  
Assets 7,360  
Liabilities:    
Deferred compensation plan liability 6,773  
Interest rate derivatives 2,673  
Liabilities 9,446  
Fair value measurement on a recurring basis | Total Estimated Fair Value | Mutual funds
   
Assets:    
Marketable securities in deferred compensation plan 6,121  
Fair value measurement on a recurring basis | Total Estimated Fair Value | Common stocks
   
Assets:    
Marketable securities in deferred compensation plan 414  
Fair value measurement on a recurring basis | Total Estimated Fair Value | Other
   
Assets:    
Marketable securities in deferred compensation plan $ 238