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Goodwill and Other Intangible Assets - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020 USD ($)	Sep. 28, 2019 USD ($)	Sep. 26, 2020 USD ($) reporting_unit	Sep. 28, 2019 USD ($)	Dec. 28, 2019 USD ($)
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 47,772		$ 47,772		$ 47,772
Number of reporting units | reporting_unit			1
Amortization of intangible assets	$ 1,800	$ 2,000	$ 5,600	$ 6,100
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful lives			10 years
Noncompete agreements
Finite-Lived Intangible Assets [Line Items]
Useful lives			2 years
Trade names
Finite-Lived Intangible Assets [Line Items]
Useful lives			1 year

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

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-Topic 230
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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
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- Definition

Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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