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Revenue Recognition and Contracts with Customers (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2024
Revenue Recognition and Contracts with Customers [Abstract] |  |  |
Revenue and recognized | $ 4.1 |  | $ 0.1
Net increase in firearms sales | 0.9 |  | 0.1
Deferred contract revenue liability | 0.1 | $ 1.0 |
Deferred of revenue | $ 3.2 | 1.0 |
Net decrease in firearms sales |  | $ 1.0 |

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- Definition Deferred contract revenue liability. + References No definition available. + Details
Name: | rgr_DeferredContractRevenueLiability
Namespace Prefix: | rgr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Deferred of revenue. + References No definition available. + Details
Name: | rgr_DeferredOfRevenue
Namespace Prefix: | rgr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Net decrease in firearms sales. + References No definition available. + Details
Name: | rgr_NetDecreaseInFirearmsSales
Namespace Prefix: | rgr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Net increase in firearms sales. + References No definition available. + Details
Name: | rgr_NetIncreaseInFirearmsSales
Namespace Prefix: | rgr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -SubTopic 10 -Topic 606 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-13 + Details
Name: | us-gaap_RevenueRemainingPerformanceObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant