Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Liabilities:    
Interest rate derivatives $ 30,863 $ 4,226
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
   
Assets:    
Common stocks 13,928 363
Assets 21,516 8,551
Liabilities:    
Deferred compensation plan liability 7,588 8,188
Liabilities 7,588 8,188
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 5,878 6,114
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 909 1,132
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Preferred stocks
   
Assets:    
Marketable securities in deferred compensation plan 320 320
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and cash equivalents
   
Assets:    
Marketable securities in deferred compensation plan 281 422
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 200 200
Fair value measurement on a recurring basis | Significant Other Observable Inputs (Level 2)
   
Assets:    
Interest rate derivative 716 644
Warrants to purchase common shares in KEYW 125 466
Assets 841 1,110
Liabilities:    
Interest rate derivatives 30,863 4,226
Liabilities 30,863 4,226
Fair value measurement on a recurring basis | Total Estimated Fair Value
   
Assets:    
Common stocks 13,928 363
Interest rate derivative 716 644
Warrants to purchase common shares in KEYW 125 466
Assets 22,357 9,661
Liabilities:    
Deferred compensation plan liability 7,588 8,188
Interest rate derivatives 30,863 4,226
Liabilities 38,451 12,414
Fair value measurement on a recurring basis | Total Estimated Fair Value | Mutual funds
   
Assets:    
Marketable securities in deferred compensation plan 5,878 6,114
Fair value measurement on a recurring basis | Total Estimated Fair Value | Common stocks
   
Assets:    
Marketable securities in deferred compensation plan 909 1,132
Fair value measurement on a recurring basis | Total Estimated Fair Value | Preferred stocks
   
Assets:    
Marketable securities in deferred compensation plan 320 320
Fair value measurement on a recurring basis | Total Estimated Fair Value | Cash and cash equivalents
   
Assets:    
Marketable securities in deferred compensation plan 281 422
Fair value measurement on a recurring basis | Total Estimated Fair Value | Other
   
Assets:    
Marketable securities in deferred compensation plan $ 200 $ 200