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Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 28, 2020 | Mar. 30, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Changes in the carrying amount of goodwill |  |  |  |
Gross goodwill, beginning of the period | $ 915.4 | $ 862.1 | $ 915.4 | $ 862.1
Accumulated impairment, balance at the beginning of the period | (466.1) | (467.7) | (466.1) | (467.7)
Goodwill, balance at the beginning of the period | 449.3 | 394.4 | 449.3 | 394.4
Goodwill Resulting from Business Combinations |  |  | 43.5 | 56.1
Impairments |  |  | 0.0 | 0.0
Gross goodwill related to foreign currency translation and other |  |  | 16.1 | (2.8)
Accumulated impairments related to foreign currency translation and other |  |  | (9.0) | 1.6
Goodwill related to foreign currency translation and other |  |  | 7.1 | (1.2)
Gross goodwill, end of the period |  |  | 975.0 | 915.4
Accumulated impairment, balance at the end of the period |  |  | (475.1) | (466.1)
Goodwill, balance at the end of the period |  |  | 499.9 | 449.3
HVAC reportable segment |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Gross goodwill, beginning of the period | 277.1 | 261.8 | 277.1 | 261.8
Accumulated impairment, balance at the beginning of the period | (144.6) | (144.4) | (144.6) | (144.4)
Goodwill, balance at the beginning of the period | 132.5 | 117.4 | 132.5 | 117.4
Goodwill Resulting from Business Combinations |  |  | 0.8 | 15.7
Impairments |  |  | 0.0 | 0.0
Gross goodwill related to foreign currency translation and other |  |  | 3.5 | (0.4)
Accumulated impairments related to foreign currency translation and other |  |  | (0.2) | (0.2)
Goodwill related to foreign currency translation and other |  |  | 3.3 | (0.6)
Gross goodwill, end of the period |  |  | 281.4 | 277.1
Accumulated impairment, balance at the end of the period |  |  | (144.8) | (144.6)
Goodwill, balance at the end of the period |  |  | 136.6 | 132.5
Detection and Measurement reportable segment |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Gross goodwill, beginning of the period | 304.1 | 265.0 | 304.1 | 265.0
Accumulated impairment, balance at the beginning of the period | (133.6) | (134.3) | (133.6) | (134.3)
Goodwill, balance at the beginning of the period | 170.5 | 130.7 | 170.5 | 130.7
Goodwill Resulting from Business Combinations |  |  | 42.7 | 40.4
Impairments |  |  | 0.0 | 0.0
Gross goodwill related to foreign currency translation and other |  |  | 4.7 | (1.3)
Accumulated impairments related to foreign currency translation and other |  |  | (0.9) | 0.7
Goodwill related to foreign currency translation and other |  |  | 3.8 | (0.6)
Gross goodwill, end of the period |  |  | 351.5 | 304.1
Accumulated impairment, balance at the end of the period |  |  | (134.5) | (133.6)
Goodwill, balance at the end of the period |  |  | 217.0 | 170.5
Engineered Solutions reportable segment |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Gross goodwill, beginning of the period | 334.2 | 335.3 | 334.2 | 335.3
Accumulated impairment, balance at the beginning of the period | (187.9) | (189.0) | (187.9) | (189.0)
Goodwill, balance at the beginning of the period | 146.3 | 146.3 | 146.3 | 146.3
Goodwill Resulting from Business Combinations |  |  | 0.0 | 0.0
Impairments |  |  | 0.0 | 0.0
Gross goodwill related to foreign currency translation and other |  |  | 7.9 | (1.1)
Accumulated impairments related to foreign currency translation and other |  |  | (7.9) | 1.1
Goodwill related to foreign currency translation and other |  |  | 0.0 | 0.0
Gross goodwill, end of the period |  |  | 342.1 | 334.2
Accumulated impairment, balance at the end of the period |  |  | (195.8) | (187.9)
Goodwill, balance at the end of the period |  |  | 146.3 | 146.3
Other |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Gross goodwill, beginning of the period | 0.0 | 0.0 | 0.0 | 0.0
Accumulated impairment, balance at the beginning of the period | 0.0 | 0.0 | 0.0 | 0.0
Goodwill, balance at the beginning of the period | 0.0 | 0.0 | 0.0 | 0.0
Goodwill Resulting from Business Combinations |  |  | 0.0 | 0.0
Impairments |  |  | 0.0 |
Gross goodwill related to foreign currency translation and other |  |  | 0.0 | 0.0
Accumulated impairments related to foreign currency translation and other |  |  | 0.0 | 0.0
Goodwill related to foreign currency translation and other |  |  | 0.0 | 0.0
Gross goodwill, end of the period |  |  | 0.0 | 0.0
Accumulated impairment, balance at the end of the period |  |  | 0.0 | 0.0
Goodwill, balance at the end of the period |  |  | 0.0 | 0.0
ULC Robotics |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Goodwill Resulting from Business Combinations |  |  | 37.3 |
Sensors & Software Inc |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Goodwill Resulting from Business Combinations |  |  | 5.4 |
Patterson-Kelley, LLC |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Goodwill Resulting from Business Combinations |  |  | $ 0.4 | 13.8
Sabik Marine |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Goodwill Resulting from Business Combinations |  |  |  | 41.2
SGS Refrigeration Inc. |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Goodwill Resulting from Business Combinations | $ 0.4 |  |  | $ 1.9
Cues, Inc. |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |
Goodwill, purch |  | $ 0.8 |  |

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