STOCK-BASED COMPENSATION (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 28, 2021	Mar. 29, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 2.0	$ 0.7
Stock-based compensation, tax benefit	$ 0.5	$ 0.2
Time-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted (in shares)	145,000
Units granted, grant date fair value (in dollars per share)	$ 19.73
Performance-Based Restricted Stock Units, Achievement of 2021 Performance Targets
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted (in shares)	561,236
Units granted, grant date fair value (in dollars per share)	$ 22.39
Performance-Based Restricted Stock Units, Achievement of 2021-2023 Performance Targets
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted (in shares)	400,000
Units granted, grant date fair value (in dollars per share)	$ 19.73
Performance period	3 years

Share-based Compensation Arrangement by Share-based Payment Award, Performance Period

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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.

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Net number of non-option equity instruments granted to participants.

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