XML 47 R34.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Other Operating Income, net (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Other Operating Income, net [Abstract] |
Schedule of Other Operating Income, net |
Year ended December 31, |  | 2015 |  |  | 2014 |  |  | 2013 |
Gain on sale of operating assets |  | $ | 113 |  |  | $ | 1 |  |  | $ | 65 |
Frozen defined-benefit pension plan income |  |  | — |  |  |  | 1,611 |  |  |  | 336 |
Total other operating income, net |  | $ | 113 |  |  | $ | 1,612 |  |  | $ | 401 |

X
- Definition The entire disclosure for the schedule of other income and expenses. + References No definition available. + Details
Name: | rgr_OtherIncomeAndExpensesTableTextBlock
Namespace Prefix: | rgr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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