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Stock Repurchases (Schedule of Repurchase of Common Stock) (Details) (USD $) | 2 Months Ended
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Dec. 31, 2014
Equity, Class of Treasury Stock [Line Items] |
Total Number of Shares Purchased | 680,813 us-gaap_TreasuryStockSharesAcquired
Average Price Paid Per Share | $ 35.22 us-gaap_TreasuryStockAcquiredAverageCostPerShare
Total Number of Shares Purchased as Part of Publicly Announced Program | 680,813 us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Maximum Dollar Value of Shared That May Yet Be Puchased Under the Program | $ 75,998,000 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
November 13, 2014 to December 31, 2014 |
Equity, Class of Treasury Stock [Line Items] |
Total Number of Shares Purchased | 680,813 us-gaap_TreasuryStockSharesAcquired / us-gaap_ShareRepurchaseProgramAxis = rgr_PeriodThreeMember
Average Price Paid Per Share | $ 35.22 us-gaap_TreasuryStockAcquiredAverageCostPerShare / us-gaap_ShareRepurchaseProgramAxis = rgr_PeriodThreeMember
Total Number of Shares Purchased as Part of Publicly Announced Program | 680,813 us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased / us-gaap_ShareRepurchaseProgramAxis = rgr_PeriodThreeMember

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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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