Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fixed interest rate related to the interest rate derivative.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Nominal mass used to calculate payments on a derivative instrument.

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Nominal or face amount used to calculate payment on derivative.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
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Fair value as of the balance sheet date of all price risk derivative assets designated as cash flow hedging instruments.

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-Name Accounting Standards Codification
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Fair value as of the balance sheet date of all price risk derivative liabilities designated as cash flow hedging instruments.

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DERIVATIVE FINANCIAL INSTRUMENTS (Details) lb in Millions	9 Months Ended	12 Months Ended
DERIVATIVE FINANCIAL INSTRUMENTS (Details) lb in Millions	Sep. 28, 2019 USD ($) lb	Dec. 31, 2018 USD ($) lb	Mar. 08, 2018 USD ($)
Interest Rate Swap, Through December 2021
Derivative Financial Instruments
Aggregate notional amount	$ 253,500,000
Long-term liability to recognize fair value of swaps	3,200,000
Unrealized gain (loss) recorded in AOCI	$ (2,500,000)	$ 200,000
Interest Rate Swap, Through December 2021 \| Derivative contracts designated as hedging instruments
Derivative Financial Instruments
Aggregate notional amount			$ 260,000,000.0
Long-term asset to recognize fair value of swaps		200,000
Interest Rate Swap, Through December 2021 \| Derivative contracts designated as hedging instruments \| Term loan
Derivative Financial Instruments
Fixed rate (percentage)	2.535%
FX Forward Contracts
Derivative Financial Instruments
Aggregate notional amount	$ 20,600,000	14,400,000
Unrealized gain (loss) recorded in AOCI	0	0
Commodity Contracts
Derivative Financial Instruments
Unrealized gain (loss) recorded in AOCI	400,000	800,000
Fair value of derivative contract - asset	$ 600,000
Fair value of derivative contract - liability		$ 1,000,000.0
Commodity Contracts \| Derivative contracts designated as hedging instruments
Derivative Financial Instruments
Notional amount of commodity contracts (in pounds of copper) \| lb	3.8	3.9