XML 45 R33.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Summary of Significant Accounting Policies (Promotional Allowances) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Allowances [Line Items] |  |  |  |
Promotional allowances | $ 58,488 | $ 61,825 | $ 175,812 | $ 180,934
Cost of promotional allowances | 43,959 | 46,127 | 130,542 | 135,003
Rooms |  |  |  |
Allowances [Line Items] |  |  |  |
Promotional allowances | 18,778 | 19,573 | 56,017 | 57,505
Cost of promotional allowances | 8,307 | 8,988 | 24,797 | 26,240
Food and Beverage |  |  |  |
Allowances [Line Items] |  |  |  |
Promotional allowances | 36,528 | 38,139 | 109,640 | 112,984
Cost of promotional allowances | 32,611 | 33,925 | 96,724 | 99,874
Other Products and Services |  |  |  |
Allowances [Line Items] |  |  |  |
Promotional allowances | 3,182 | 4,113 | 10,155 | 10,445
Cost of promotional allowances | $ 3,041 | $ 3,214 | $ 9,021 | $ 8,889

X
- Definition Allowances [Line Items] + References No definition available. + Details
Name: | byd_AllowancesLineItems
Namespace Prefix: | byd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cost of Promotional Allowances + References No definition available. + Details
Name: | byd_CostOfPromotionalAllowances
Namespace Prefix: | byd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the estimated retail value of accommodations, food and beverage, and other services furnished to guests without charge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 605 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=51665414&loc=d3e51325-107943 + Details
Name: | us-gaap_PromotionalAllowances
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ProductOrServiceAxis=byd_RoomsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=byd_FoodAndBeverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=byd_OtherProductsAndServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |