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INFORMATION ON REPORTABLE SEGMENTS (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) country segment | Apr. 01, 2017 USD ($)
Information on reportable segments and other operating segments |  |
Number of reportable segments | segment | 3 |
Revenues: |  |
Revenues | $ 351.9 | $ 340.6
Income: |  |
Consolidated operating income | 19.3 | 19.1
Pension and postretirement expense | (2.3) | (4.2)
Special charges, net | (2.0) | (0.5)
Reportable and other operating segments |  |
Income: |  |
Consolidated operating income | 37.0 | 34.3
Corporate |  |
Income: |  |
Corporate expense | (11.8) | (11.4)
Special charges, net | (0.4) | (0.1)
Segment Reconciling Items |  |
Income: |  |
Long-term incentive compensation expense | (3.9) | (3.2)
Pension and postretirement expense | 0.0 | (0.1)
Special charges, net | (2.0) | (0.5)
HVAC segment |  |
Revenues: |  |
Revenues | 127.7 | 110.1
Income: |  |
Special charges, net | 0.0 | (0.1)
HVAC segment | Reportable and other operating segments |  |
Income: |  |
Consolidated operating income | 18.6 | 16.5
Detection and Measurement segment |  |
Revenues: |  |
Revenues | 65.6 | 53.6
Income: |  |
Special charges, net | 0.0 | (0.3)
Detection and Measurement segment | Reportable and other operating segments |  |
Income: |  |
Consolidated operating income | 15.7 | 11.2
Engineered Solutions segment |  |
Revenues: |  |
Revenues | 158.6 | 176.9
Income: |  |
Special charges, net | (1.6) | 0.0
Engineered Solutions segment | Reportable and other operating segments |  |
Income: |  |
Consolidated operating income | $ 2.7 | $ 6.6
Minimum |  |
Information on reportable segments and other operating segments |  |
Number of countries in which entity operates (over 15 countries) | country | 14 |
Number of countries in which entity sells its products and services (over 100 countries) | country | 100 |

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