GOODWILL - Narrative (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2018 |
Mar. 30, 2019 |
Dec. 30, 2017 |
Dec. 31, 2016 |
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| Goodwill [Line Items] | Ìý | Ìý | Ìý | Ìý |
| Goodwill impairment charges | $ 0 | $ 0 | $ 0 | $ 39,300,000.0 |
| Divestitures | Ìý | 48,381,000 | Ìý | Ìý |
| Cumulative impairment charges | Ìý | 0 | Ìý | Ìý |
| Active | Ìý | Ìý | Ìý | Ìý |
| Goodwill [Line Items] | Ìý | Ìý | Ìý | Ìý |
| Divestitures | Ìý | 48,329,000 | Ìý | Ìý |
| Cumulative impairment charges | 31,100,000 | $ 31,100,000 | 31,100,000 | Ìý |
| Lucy | Ìý | Ìý | Ìý | Ìý |
| Goodwill [Line Items] | Ìý | Ìý | Ìý | Ìý |
| Goodwill impairment charges | Ìý | Ìý | $ 104,700,000 | Ìý |
| Goodwill, decrease | $ 51,600,000 | Ìý | Ìý | Ìý |
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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