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Restructuring Charges and Asset Impairments (Schedule of Restructuring Activities Recorded in Accrued Expenses and Other Liabilities) (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Jan. 01, 2021	Jun. 26, 2020	Dec. 27, 2019	Jan. 01, 2021	Dec. 27, 2019
Restructuring Cost And Reserve [Line Items]
Accrual beginning balance				$ 1,584
Restructuring costs	$ 1,600	$ 5,000	$ 3,300	6,603	$ 3,334
Cash paid				(5,895)	(1,750)
Accrual ending balance	2,292		1,584	2,292	1,584
Employee Related Costs [Member]
Restructuring Cost And Reserve [Line Items]
Accrual beginning balance				1,247
Restructuring costs				5,710	2,912
Cash paid				(5,874)	(1,665)
Accrual ending balance	1,083		1,247	1,083	1,247
Exit Closure and Consolidation of Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Accrual beginning balance				337
Restructuring costs				893	422
Cash paid				(21)	(85)
Accrual ending balance	$ 1,209		$ 337	$ 1,209	$ 337

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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