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FAIR VALUE - Narrative (Details) € in Millions, $ in Millions | 3 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 03, 2021 USD ($) | Jun. 27, 2020 USD ($) | Jul. 03, 2021 USD ($) | Jun. 27, 2020 USD ($) | Jul. 03, 2021 EUR (€) | Dec. 31, 2020 USD ($) | Nov. 11, 2020 USD ($) | Sep. 02, 2020 USD ($) | Dec. 30, 2016 EUR (€)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Realized gain on fair value adjustment | $ 2.2 | $ 5.3 | $ 7.4 | $ 5.3 |  |  |  |  |
Other operating income | (2.7) | $ 0.0 | (2.7) | $ 0.4 |  |  |  |  |
Security at fair value | 34.4 |  | 34.4 |  |  | $ 27.0 |  |  |
ULC Robotics |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Deferred payment |  |  |  |  |  |  |  | $ 45.0 |
Contingent consideration liability | 24.3 |  | 24.3 |  |  | 24.3 |  |  |
Sensors & Software Inc. |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Deferred payment |  |  |  |  |  |  | $ 4.0 |  |
Contingent consideration liability | $ 0.7 |  | $ 0.7 |  |  | $ 0.7 |  |  |
Discontinued Operations, Disposed of by Sale | Buyer | Balcke Durr Business |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Amount of guarantees | € |  |  |  |  |  |  |  |  | € 79.0
Discontinued Operations, Disposed of by Sale | Buyer | Bank and Surety Bonds | Balcke Durr Business |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Amount of guarantees | € |  |  |  |  |  |  |  |  | 79.0
Discontinued Operations, Disposed of by Sale | Buyer | Balcke-Durr | Balcke Durr Business |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Cash collateral | € |  |  |  |  | € 0.0 |  |  |  | 4.0
Discontinued Operations, Disposed of by Sale | Buyer | mutares AG | Indemnification Agreement | Balcke Durr Business |  |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |  |  |
Amount of guarantees | € |  |  |  |  | € 1.0 |  |  |  | € 5.0

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