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Goodwill and Other Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Changes in the carrying amount of goodwill |  |
Gross goodwill, beginning of the period | $ 824.3 | $ 872.0
Accumulated impairment, balance at the beginning of the period | (483.9) | (518.5)
Goodwill, balance at the beginning of the period | 340.4 | 353.5
Gross goodwill related to foreign currency translation and other | 14.3 | (11.6)
Accumulated impairments related to foreign currency translation and other | (8.8) | 8.7
Goodwill related to foreign currency translation and other | 5.5 | (2.9)
Gross goodwill, end of the period | 838.6 | 824.3
Accumulated impairment, balance at the end of the period | (492.7) | (483.9)
Goodwill, balance at the end of the period | 345.9 | 340.4
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Dry Cooling Business |  |
Changes in the carrying amount of goodwill |  |
Gross goodwill, Disposition of Business |  | (36.1)
Accumulated impairments, Disposition of Business |  | 25.9
Goodwill, Disposition of Business |  | (10.2)
HVAC segment |  |
Changes in the carrying amount of goodwill |  |
Gross goodwill, beginning of the period | 258.5 | 261.3
Accumulated impairment, balance at the beginning of the period | (144.2) | (145.2)
Goodwill, balance at the beginning of the period | 114.3 | 116.1
Gross goodwill related to foreign currency translation and other | 5.2 | (2.8)
Accumulated impairments related to foreign currency translation and other | (0.5) | 1.0
Goodwill related to foreign currency translation and other | 4.7 | (1.8)
Gross goodwill, end of the period | 263.7 | 258.5
Accumulated impairment, balance at the end of the period | (144.7) | (144.2)
Goodwill, balance at the end of the period | 119.0 | 114.3
Detection and Measurement segment |  |
Changes in the carrying amount of goodwill |  |
Gross goodwill, beginning of the period | 214.4 | 219.1
Accumulated impairment, balance at the beginning of the period | (134.2) | (138.0)
Goodwill, balance at the beginning of the period | 80.2 | 81.1
Gross goodwill related to foreign currency translation and other | 2.2 | (4.7)
Accumulated impairments related to foreign currency translation and other | (1.8) | 3.8
Goodwill related to foreign currency translation and other | 0.4 | (0.9)
Gross goodwill, end of the period | 216.6 | 214.4
Accumulated impairment, balance at the end of the period | (136.0) | (134.2)
Goodwill, balance at the end of the period | 80.6 | 80.2
Engineered Solutions segment |  |
Changes in the carrying amount of goodwill |  |
Gross goodwill, beginning of the period | 351.4 | 391.6
Accumulated impairment, balance at the beginning of the period | (205.5) | (235.3)
Goodwill, balance at the beginning of the period | 145.9 | 156.3
Gross goodwill related to foreign currency translation and other | 6.9 | (4.1)
Accumulated impairments related to foreign currency translation and other | (6.5) | 3.9
Goodwill related to foreign currency translation and other | 0.4 | (0.2)
Gross goodwill, end of the period | 358.3 | 351.4
Accumulated impairment, balance at the end of the period | (212.0) | (205.5)
Goodwill, balance at the end of the period | $ 146.3 | 145.9
Engineered Solutions segment | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Dry Cooling Business |  |
Changes in the carrying amount of goodwill |  |
Gross goodwill, Disposition of Business |  | (36.1)
Accumulated impairments, Disposition of Business |  | 25.9
Goodwill, Disposition of Business |  | $ (10.2)

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