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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

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- Definition Represents the aggregate of the investment in common stock of other entities reported on the balance sheet at the end of the period measured at fair value by the entity, excluding amounts held under deferred compensation arrangements. + References No definition available. + Details
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