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Long-Term Debt (Schedule of Boyd Bank Credit Facility) (Details) (Bank Credit Facility, Parent, USD $)
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Dec. 31, 2012
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Dec. 31, 2011
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|---|---|---|
| Line of Credit Facility [Line Items] | ||
| Amount outstanding | $ 1,466,635,000 | $ 1,621,715,000 |
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Extended Revolving Facility
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| Line of Credit Facility [Line Items] | ||
| Amount outstanding | 660,000,000 | 807,000,000 |
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Initial Term Loan
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| Line of Credit Facility [Line Items] | ||
| Amount outstanding | 450,000,000 | 475,000,000 |
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Incremental Term Loan
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| Line of Credit Facility [Line Items] | ||
| Amount outstanding | 332,500,000 | 338,965,000 |
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Swing Loan
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| Line of Credit Facility [Line Items] | ||
| Amount outstanding | $ 24,135,000 | $ 750,000 |