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v2.4.0.6

Subsequent Events (Details) (Subsequent Event [Member], USD $) | Feb. 11, 2013
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Subsequent Event [Member] |
Subsequent Event [Line Items] |
Dividend authorized | $ 0.404

X
- Definition Dividends Payable Amount Per Share Subsequent Event + References No definition available. + Details
Name: | rgr_DividendsPayableAmountPerShareSubsequentEvent
Namespace Prefix: | rgr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration