Increase related to the acquisition.

No definition available.

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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

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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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

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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.

+ References

No definition available.

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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Goodwill and Other Intangible Assets - Schedule of Goodwill and Intangible Assets Net (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jul. 04, 2020	Jul. 04, 2020	Dec. 28, 2019
Indefinite-lived Intangible Assets [Line Items]
Less: Accumulated amortization	$ (108,208)	$ (108,208)	$ (98,784)
Subtotal	125,067	125,067	107,121
Other intangible assets, net	265,908	265,908	255,962
Goodwill at December 28, 2019		277,600
Goodwill at July 4, 2020	327,507	327,507
Impairment of WWS trade name	(8,000)	(8,000)
NewSouth [Member]
Indefinite-lived Intangible Assets [Line Items]
Increase related to the acquisition of NewSouth		49,907
Trade Name [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets	140,841	140,841	148,841
Impairment of WWS trade name	(8,000)	(8,000)
Customer Relationships and Customer-related Assets [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets	201,547	$ 201,547	200,647
Customer Relationships and Customer-related Assets [Member] \| Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Initial Useful Life (in years)		1 year
Customer Relationships and Customer-related Assets [Member] \| Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Initial Useful Life (in years)		10 years
Trade Name [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets	22,200	$ 22,200
Initial Useful Life (in years)		15 years
Developed Technology [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets	5,600	$ 5,600	3,000
Developed Technology [Member] \| Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Initial Useful Life (in years)		6 years
Developed Technology [Member] \| Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Initial Useful Life (in years)		10 years
Noncompete Agreements [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets	3,338	$ 3,338	1,668
Noncompete Agreements [Member] \| Minimum [Member]
Indefinite-lived Intangible Assets [Line Items]
Initial Useful Life (in years)		2 years
Noncompete Agreements [Member] \| Maximum [Member]
Indefinite-lived Intangible Assets [Line Items]
Initial Useful Life (in years)		5 years
Software License [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible assets	$ 590	$ 590	$ 590
Initial Useful Life (in years)		2 years