DEFINED BENEFIT PLANS - Narrative (Details)	9 Months Ended
Sep. 28, 2019 USD ($)
Defined Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected contribution amount	$ 2,300,000
Other Postretirement Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, minimum annual contribution, percent	0.00%
Defined contribution plan, maximum annual contributions per employee, percent	25.00%
The Steelworkers Pension Trust \| CENTRIA Benefit Plan \| Multiemployer Plans, Pension
Defined Benefit Plan Disclosure [Line Items]
Multiemployer plans, minimum contribution	$ 300,000

Defined Benefit Plan, Maximum Annual Employee Contribution, Percent

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- Definition

Defined Benefit Plan, Minimum Annual Employee Contribution, Percent

+ 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.

+ References

No definition available.

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- Definition

Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920

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- Definition

Amount of minimum contribution(s) required for future periods to a multiemployer plan by collective bargaining arrangements, statutory obligations, or other contractual obligations. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (f)(3)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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