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RESTRUCTURING AND ASSET IMPAIRMENTS - Rollforward of Severance and Transition Costs Liability (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 27, 2021	Mar. 28, 2020
Restructuring Reserve [Roll Forward]
Beginning balance	$ 5,816	$ 6,406
Expense (excluding non-cash charges)	749	517
Payments / utilization	(2,465)	(4,243)
Other non-cash adjustments	(1,831)	0
Foreign currency adjustments	(48)	(149)
Ending balance	$ 2,221	$ 2,531

X

- Definition

Restructuring Reserve, Payments for Restructuring and Settled without Cash

+ References

No definition available.

+ Details

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X

- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ 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)(1)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Section S99
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-Section 50
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-Publisher FASB
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-Subparagraph (SAB Topic 5.P.4(d))
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
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X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases).

+ References

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-Publisher FASB
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