v2.4.0.6

Noncontrolling Interest (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
Noncontrolling Interest [Abstract] |
Schedule of Changes in Noncontrolling Interest | Changes in the noncontrolling interest since such date are as follows:
| Borgata |  | LVE |  | Other |  | Total
| (In thousands)
Beginning balance, January 1, 2010 | $ | 325,580 |  |  | $ | (27,818 | ) |  | $ | — |  |  | $ | 297,762 |
Distributions | (123,422 | ) |  | — |  |  | — |  |  | (123,422 | )
Attributable net income (loss) | 17,098 |  |  | (15,158 | ) |  | — |  |  | 1,940 |
Comprehensive income | — |  |  | (4,116 | ) |  | — |  |  | (4,116 | )
Balance, December 31, 2010 | 219,256 |  |  | (47,092 | ) |  | — |  |  | 172,164 |
Attributable net income (loss) | 1,750 |  |  | (5,895 | ) |  | — |  |  | (4,145 | )
Comprehensive income | — |  |  | 3,968 |  |  | — |  |  | 3,968 |
Balance, December 31, 2011 | 221,006 |  |  | (49,019 | ) |  | — |  |  | 171,987 |
Capital investment | — |  |  | — |  |  | 20 |  |  | 20 |
Attributable net income (loss) | (12,729 | ) |  | (1,481 | ) |  | — |  |  | (14,210 | )
Comprehensive income | — |  |  | 5,539 |  |  | — |  |  | 5,539 |
Balance, December 31, 2012 | $ | 208,277 |  |  | $ | (44,961 | ) |  | $ | 20 |  |  | $ | 163,336 |
Schedule of Derivative Instruments | LVE has entered into interest rate derivative contracts in order to hedge exposure to increasing interest rates, and the impact of those rates on the cash flows of its variable-rate debt. LVE's active interest rate swaps are as follows:
Effective Date |  | Notional Amount |  | Fixed Rate |  | Maturity Date
|  | (In thousands) |  |  |  |
Derivatives Designated as Hedging Instruments: |  |  |  |  |  |
December 21, 2007 |  | $ | 131,986 |  |  | 4.59 | % |  | November 1, 2013
Derivatives Not Designated as Hedging Instruments: |  |  |  |  |  |
December 21, 2007 |  | 100,000 |  |  | 3.42 | % |  | November 1, 2013
Totals |  | $ | 231,986 |  |  |  |  |

X
- Definition Schedule of Changes in Noncontrolling Interest [Table Text Block] + References No definition available. + Details
Name: | byd_ScheduleOfChangesInNoncontrollingInterestTableTextBlock
Namespace Prefix: | byd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_NoncontrollingInterestAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41638-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41678-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(n)(2)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41620-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41641-113959 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579240-113959 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_ScheduleOfDerivativeInstrumentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration