XML 49 R36.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stock Repurchases (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Stock Repurchases [Abstract] |
Schedule of Repurchase of Common Stock | In 2017, 2016, and 2015 the Company repurchased shares of its common stock. Details of these purchases are as follows:
Period |  | Total Number of Shares Purchased |  |  | Average Price Paid per Share |  |  | Total Number of Shares Purchased as Part of Publicly Announced Program |  |  | Maximum Dollar Value of Shares that May Yet Be Purchased Under the Program |
First Quarter 2015 |  |  | 82,100 |  |  | $ | 34.57 |  |  |  | 82,100 |  |  |  |  |
Fourth Quarter 2016 |  |  | 283,343 |  |  | $ | 49.43 |  |  |  | 283,343 |  |  |  |  |
First Quarter 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
January 29 to February 25 |  |  | 900,997 |  |  | $ | 49.70 |  |  |  | 900,997 |  |  |  |  |
February 26 to April 1 |  |  | 173,288 |  |  | $ | 49.92 |  |  |  | 173,288 |  |  |  |  |
Third Quarter 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
July 30 to August 26 |  |  | 4,490 |  |  | $ | 47.92 |  |  |  | 4,490 |  |  |  |  |
August 27 to September 30 |  |  | 240,933 |  |  | $ | 46.30 |  |  |  | 240,933 |  |  |  |  |
Total |  |  | 1,685,151 |  |  | $ | 48.45 |  |  |  | 1,685,151 |  |  | $ | 30,710,000 |

X
- Definition Stock Repurchases [Abstract] + References No definition available. + Details
Name: | rgr_StockRepurchasesAbstract
Namespace Prefix: | rgr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
Name: | us-gaap_ScheduleOfTreasuryStockByClassTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration