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SUBSEQUENT EVENTS (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jul. 30, 2013	Jul. 25, 2013
SUBSEQUENT EVENTS [Abstract]
Dividend price per share	$ 0.65
Value of lost production		$ 5,000

X

- Definition

Value Of Lost Production

+ References

No definition available.

+ Details

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Namespace Prefix:	rgr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

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