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Revenue Recognition - Additional Information 1 (Detail) | Dec. 25, 2021
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Maximum [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-12-26 |
Revenue From Contract With Customer [Line Items] |
Revenue, remaining performance obligations for contract, initial term | 1 year

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- Definition Revenue from contract with customer. + References No definition available. + Details
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Namespace Prefix: | dorm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

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- Details
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- Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2021-12-26
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |