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v3.20.1

Defined Contribution Plan (Details) $ in Millions | 12 Months Ended
--- | ---
Mar. 28, 2020 USD ($) item | Mar. 30, 2019 USD ($) | Mar. 31, 2018 USD ($)
Defined Contribution Plan |  |  |
Minimum number of hours required for eligibility | item | 1,000 |  |
Plan contributions and plan costs | $ | $ 1.3 | $ 0.9 | $ 0.7
First 3% |  |  |
Defined Contribution Plan |  |  |
Percentage of employer match | 100.00% |  |
Percentage of employee gross pay for which employer contributes a full matching contribution | 3.00% |  |
Next 2% |  |  |
Defined Contribution Plan |  |  |
Percentage of employer match | 50.00% |  |
Percentage of employee gross pay for which employer contributes a full matching contribution | 5.00% |  |

X
- Definition The amount of the cost recognized and selling, general and administrative expenses incurred during the period for defined contribution plans. + References No definition available. + Details
Name: | boot_DefinedContributionPlanCostRecognizedAndPlanAdministrativeExpenses
Namespace Prefix: | boot_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Represents the minimum number of hours required to be worked per year for eligibility in the defined contribution plan. + References No definition available. + Details
Name: | boot_DefinedContributionPlanMinimumNumberOfHoursPerYearRequiredForEligibility
Namespace Prefix: | boot_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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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_DefinedContributionPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_StatementScenarioAxis=boot_ScenarioOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementScenarioAxis=boot_ScenarioTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |