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BASIS OF PRESENTATION - Narrative (Details) - USD ($) $ in Millions |  |  |  | 3 Months Ended
--- | --- | --- | --- | ---
Feb. 01, 2019 | Jun. 07, 2018 | Mar. 01, 2018 | Mar. 30, 2019 | Mar. 31, 2018
Discontinued Operations |  |  |  |  |
Business acquisition, net of cash acquired |  |  |  | $ 77.0 | $ 16.3
Length of second and third quarter |  |  |  | 91 days |
Sabik Marine |  |  |  |  |
Discontinued Operations |  |  |  |  |
Business acquisition, net of cash acquired | $ 77.0 |  |  |  |
Cash acquired | $ 0.6 |  |  |  |
Cues, Inc. |  |  |  |  |
Discontinued Operations |  |  |  |  |
Business acquisition, net of cash acquired |  | $ 164.4 |  |  |
Cash acquired |  | $ 20.6 |  |  |
Schonstedt |  |  |  |  |
Discontinued Operations |  |  |  |  |
Business acquisition, net of cash acquired |  |  | $ 16.4 |  |
Cash acquired |  |  | $ 0.3 |  |
Building | SPX Heat Transfer Business | Disposal Group, Not Discontinued Operations |  |  |  |  |
Discontinued Operations |  |  |  |  |
Proceeds from sale of manufacturing facility |  |  |  | $ 5.5 |
Gain (loss) on disposition of manufacturing facility |  |  |  | $ 0.3 |

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