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Long-Term Debt (Boyd Bank Credit Facility Narrative) (Details) (USD $)
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12 Months Ended | 0 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Nov. 02, 2011
Base Rate
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Nov. 02, 2011
Effective Eurodollar Rate
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Dec. 03, 2010
Bank Credit Facility
Initial Term Loan
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Nov. 02, 2011
Bank Credit Facility
Incremental Term Loan
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Dec. 31, 2012
Parent
Bank Credit Facility
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Dec. 31, 2011
Parent
Bank Credit Facility
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Nov. 02, 2011
Parent
Bank Credit Facility
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Dec. 03, 2010
Parent
Bank Credit Facility
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Dec. 31, 2012
Parent
Bank Credit Facility
Maximum
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Dec. 31, 2012
Parent
Bank Credit Facility
Minimum
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Dec. 31, 2012
Parent
Bank Credit Facility
Base Rate
Federal Funds Rate
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Dec. 31, 2012
Parent
Bank Credit Facility
Base Rate
One-month Eurodollar
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Dec. 31, 2012
Parent
Bank Credit Facility
Extended Revolving Facility
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Dec. 31, 2011
Parent
Bank Credit Facility
Extended Revolving Facility
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Dec. 31, 2012
Parent
Bank Credit Facility
Extended Revolving Facility
LIBOR
Maximum
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Dec. 31, 2012
Parent
Bank Credit Facility
Extended Revolving Facility
LIBOR
Minimum
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Dec. 31, 2012
Parent
Bank Credit Facility
Extended Revolving Facility
Base Rate
Maximum
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Dec. 31, 2012
Parent
Bank Credit Facility
Extended Revolving Facility
Base Rate
Minimum
|
Dec. 31, 2012
Parent
Bank Credit Facility
Initial Term Loan
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Dec. 31, 2011
Parent
Bank Credit Facility
Initial Term Loan
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Dec. 31, 2012
Parent
Bank Credit Facility
Incremental Term Loan
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Dec. 31, 2011
Parent
Bank Credit Facility
Incremental Term Loan
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Nov. 02, 2011
Parent
Bank Credit Facility
Incremental Term Loan
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Jun. 08, 2012
Parent
Bank Credit Facility
Increased Revolving Commitment
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May 31, 2012
Parent
Bank Credit Facility
Increased Revolving Commitment
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May 30, 2012
Parent
Bank Credit Facility
Increased Revolving Commitment
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Dec. 31, 2012
Parent
Letter of Credit
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Dec. 31, 2012
Former Credit Facility
Parent
Bank Credit Facility
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Dec. 02, 2010
Former Credit Facility
Parent
Bank Credit Facility
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Dec. 03, 2010
Former Credit Facility
Parent
Bank Credit Facility
Minimum
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Dec. 31, 2012
Former Credit Facility
Parent
Bank Credit Facility
Extended Revolving Facility
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Dec. 31, 2012
Former Credit Facility
Parent
Bank Credit Facility
Initial Term Loan
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Dec. 31, 2012
Former Credit Facility
Parent
Bank Credit Facility
Incremental Term Loan
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Dec. 31, 2012
Non-extending Lenders
Parent
Bank Credit Facility
LIBOR
Maximum
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Dec. 31, 2012
Non-extending Lenders
Parent
Bank Credit Facility
LIBOR
Minimum
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Dec. 31, 2012
Non-extending Lenders
Parent
Bank Credit Facility
Base Rate
Maximum
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Dec. 31, 2012
Non-extending Lenders
Parent
Bank Credit Facility
Base Rate
Minimum
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Dec. 31, 2012
Trailing Four Quarters Ending December 31, 2012
Bank Credit Facility
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Dec. 31, 2012
Trailing Four Quarters Ending March 31, 2013 through September 30, 2013
Bank Credit Facility
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Dec. 31, 2012
Trailing Four Quarters Ending December 31, 2012 through September 30, 2013
Bank Credit Facility
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Dec. 31, 2012
Trailing Four Quarters Ending December 31, 2013
Bank Credit Facility
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Dec. 31, 2012
Trailing Four Quarters Ending March 31, 2014 through December 31, 2014
Bank Credit Facility
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Dec. 31, 2012
Trailing Four Quarters Ending March 31, 2015
Bank Credit Facility
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Dec. 31, 2012
Trailing Four Quarters Ending March 31, 2014 through September 30, 2014
Bank Credit Facility
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Dec. 31, 2012
Trailing Four Quarters Ending December 31, 2014 and March 31, 2015
Bank Credit Facility
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Dec. 31, 2012
Trailing Four Quarters Ending June 30, 2015 and Thereafter
Bank Credit Facility
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| Line of Credit Facility [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||
| Maturity term | 5 years | |||||||||||||||||||||||||||||||||||||||||||||
| Blended interest rate at period end | 4.20% | 4.20% | ||||||||||||||||||||||||||||||||||||||||||||
| Amount outstanding, gross | $ 1,470,000,000 | |||||||||||||||||||||||||||||||||||||||||||||
| Amount outstanding | 1,466,635,000 | 1,621,715,000 | 660,000,000 | 807,000,000 | 450,000,000 | 475,000,000 | 332,500,000 | 338,965,000 | 150,000,000.0 | 14,500,000 | ||||||||||||||||||||||||||||||||||||
| Remaining borrowing capacity | 253,105,000 | 253,105,000 | 0 | 0 | ||||||||||||||||||||||||||||||||||||||||||
| Extended Revolving Facility: | ||||||||||||||||||||||||||||||||||||||||||||||
| Repayment of line of credit | 150,000,000.0 | |||||||||||||||||||||||||||||||||||||||||||||
| Percentage reduction of commitments by each lender | 50.00% | |||||||||||||||||||||||||||||||||||||||||||||
| Line of credit, maximum borrowing capacity | 1,500,000,000 | 1,460,000,000 | 3,000,000,000 | 960,000,000 | 500,000,000 | 0 | ||||||||||||||||||||||||||||||||||||||||
| Additional available borrowing capacity | 500,000,000 | |||||||||||||||||||||||||||||||||||||||||||||
| Applicable margin | 3.75% | 4.75% | 3.50% | 2.50% | 2.50% | 1.50% | 1.625% | 0.625% | 0.375% | 0.00% | ||||||||||||||||||||||||||||||||||||
| Commitment fee percentage on unused portion of credit facility | 0.50% | 0.25% | ||||||||||||||||||||||||||||||||||||||||||||
| Interest rate, basis spread on fixed portion of reference rate | 0.50% | 1.00% | ||||||||||||||||||||||||||||||||||||||||||||
| Term Loans: | ||||||||||||||||||||||||||||||||||||||||||||||
| Face amount | 500,000,000 | 350,000,000 | ||||||||||||||||||||||||||||||||||||||||||||
| Annual principal payment, percent of face amount | 5.00% | |||||||||||||||||||||||||||||||||||||||||||||
| Covenants: | ||||||||||||||||||||||||||||||||||||||||||||||
| Maximum total leverage ratio | 7.75 | 7.50 | 7.25 | 7.00 | 6.75 | |||||||||||||||||||||||||||||||||||||||||
| Maximum secured leverage ratio | 4.25 | 4.50 | 4.25 | 4.00 | 3.75 | 3.50 | ||||||||||||||||||||||||||||||||||||||||
| Minimum consolidated interest coverage ratio required | 2.00 | |||||||||||||||||||||||||||||||||||||||||||||
| Debt Financing Costs [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Deferred finance costs | $ 20,600,000 | $ 13,900,000 | $ 1,500,000 | |||||||||||||||||||||||||||||||||||||||||||