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v3.5.0.2

Long-Term Debt First Lien Leverage Ratio (Details) | Sep. 15, 2016
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Line of Credit Facility [Line Items] |
Line of Credit Facility, Covenant Terms, Maximum First Lien Leverage Ratio Allowed | 4.25
Revolving Credit Facility [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Covenant Terms, Maximum First Lien Leverage Ratio Allowed | 1.00

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- Definition line of credit facility, covenant terms, maximum First Lien Leverage Ratio Allowed + References No definition available. + Details
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Namespace Prefix: | byd_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |