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Equity Earnings of Joint Ventures (Details Textual) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 28, 2015 | Dec. 31, 2017 | Jul. 02, 2017
VAST LLC |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
STRATTEC's percentage ownership in joint venture |  | 33.33% |
SAL LLC |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
STRATTEC's percentage ownership in joint venture |  | 51.00% |
Outstanding balance on loan from STRATTEC to equity method investment |  | $ 2,600,000 | $ 2,600,000
Percentage of funding in joint venture through loans | 100.00% | 100.00% |
Percentage of losses of joint venture, up to committed financial support, recognized by STRATTEC | 100.00% | 100.00% |
SAL LLC | Westinghouse Agreement |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Guarantee liability |  | $ 250,000 | $ 250,000

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- Definition Percentage of losses of joint venture recognized through equity income (loss) of joint venture, up to the committed financial support. + References No definition available. + Details
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- Definition Amounts due from an entity in which the reporting entity shares joint control with another party or group, due within 1 year (or 1 business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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