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Information on Reportable Segments (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 USD ($) country | Sep. 30, 2017 USD ($) | Jul. 01, 2017 USD ($) | Apr. 01, 2017 USD ($) | Dec. 31, 2016 USD ($) | Oct. 01, 2016 USD ($) | Jul. 02, 2016 USD ($) | Apr. 02, 2016 USD ($) | Sep. 26, 2015 USD ($) | Dec. 31, 2017 USD ($) country segment | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Business segment |  |  |  |  |  |  |  |  |  |  |  |
Number of countries in which entity operates | country | 15 |  |  |  |  |  |  |  |  | 15 |  |
Number of reportable segments | segment |  |  |  |  |  |  |  |  |  | 3 |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 387.0 | $ 348.5 | $ 349.7 | $ 340.6 | $ 395.3 | $ 345.0 | $ 371.4 | $ 360.6 |  | $ 1,425.8 | $ 1,472.3 | $ 1,559.0
Income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Pension and other employee benefits |  |  |  |  |  |  |  |  |  | 14.9 | 24.8 | 35.2
Special charges, net |  |  |  |  |  |  |  |  |  | 2.7 | 5.3 | 5.1
Gain (loss) on sale |  |  |  |  |  |  |  |  |  | 0.0 | 18.4 | 0.0
Operating income (loss) |  |  |  |  |  |  |  |  |  | 54.8 | 55.0 | (122.2)
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  | 11.0 | 11.7 | 16.0
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Total depreciation and amortization |  |  |  |  |  |  |  |  |  | 25.2 | 26.5 | 37.0
Identifiable assets: |  |  |  |  |  |  |  |  |  |  |  |
Total identifiable assets | 2,040.4 |  |  |  | 1,912.5 |  |  |  |  | 2,040.4 | 1,912.5 | 2,179.3
Tangible Long-Lived Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total tangible long-lived assets | 944.4 |  |  |  | 926.6 |  |  |  |  | 944.4 | 926.6 | 912.1
Gain on contract settlement |  |  |  |  |  |  |  |  |  | 10.2 | 0.0 | 0.0
United States |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 1,243.3 | 1,235.2 | 1,255.4
China |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 28.0 | 33.5 | 83.6
South Africa |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 56.9 | 105.4 | 54.2
United Kingdom |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 60.8 | 59.1 | 69.6
Other |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 36.8 | 39.1 | 96.2
Continuing operations |  |  |  |  |  |  |  |  |  |  |  |
Tangible Long-Lived Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total tangible long-lived assets | 944.4 |  |  |  | 926.6 |  |  |  |  | 944.4 | 926.6 | 876.3
Continuing operations | United States |  |  |  |  |  |  |  |  |  |  |  |
Tangible Long-Lived Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total tangible long-lived assets | 919.6 |  |  |  | 897.0 |  |  |  |  | 919.6 | 897.0 | 835.9
Continuing operations | Other |  |  |  |  |  |  |  |  |  |  |  |
Tangible Long-Lived Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total tangible long-lived assets | 24.8 |  |  |  | 29.6 |  |  |  |  | 24.8 | 29.6 | 40.4
Discontinued operations |  |  |  |  |  |  |  |  |  |  |  |
Identifiable assets: |  |  |  |  |  |  |  |  |  |  |  |
Total identifiable assets | 0.0 |  |  |  | 0.0 |  |  |  |  | 0.0 | 0.0 | 120.0
Tangible Long-Lived Assets: |  |  |  |  |  |  |  |  |  |  |  |
Total tangible long-lived assets | 0.0 |  |  |  | 0.0 |  |  |  |  | 0.0 | 0.0 | 35.8
Reportable and other operating segments |  |  |  |  |  |  |  |  |  |  |  |
Income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  |  | 124.9 | 142.8 | 38.8
General corporate |  |  |  |  |  |  |  |  |  |  |  |
Income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Corporate expense |  |  |  |  |  |  |  |  |  | 46.2 | 41.7 | 103.4
Special charges, net |  |  |  |  |  |  |  |  |  | 0.1 |  | 1.1
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  | 1.9 | 2.6 | 4.4
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Total depreciation and amortization |  |  |  |  |  |  |  |  |  | 3.1 | 2.5 | 8.9
Identifiable assets: |  |  |  |  |  |  |  |  |  |  |  |
Total identifiable assets | 457.7 |  |  |  | 390.6 |  |  |  |  | 457.7 | 390.6 | 371.2
Segment reconciling items |  |  |  |  |  |  |  |  |  |  |  |
Income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Pension and other employee benefits |  |  |  |  |  |  |  |  |  | 5.4 | 15.4 | 18.6
Long-term incentive compensation expense |  |  |  |  |  |  |  |  |  | 15.8 | 13.7 | 33.9
Impairment of intangible and other long-term assets |  |  |  |  |  |  |  |  |  | 0.0 | 30.1 | 0.0
Special charges, net |  |  |  |  |  |  |  |  |  | 2.7 | 5.3 | 5.1
Gain (loss) on sale |  |  |  |  |  |  |  |  |  | 0.0 | 18.4 | 0.0
HVAC segment |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 511.0 | 509.5 | 529.1
HVAC segment | Reportable and other operating segments |  |  |  |  |  |  |  |  |  |  |  |
Income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Special charges, net |  |  |  |  |  |  |  |  |  | 0.4 |  | 1.1
Operating income (loss) |  |  |  |  |  |  |  |  |  | 74.1 | 80.2 | 80.2
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  | 2.2 | 1.9 | 2.3
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Total depreciation and amortization |  |  |  |  |  |  |  |  |  | 5.5 | 5.3 | 4.6
Identifiable assets: |  |  |  |  |  |  |  |  |  |  |  |
Total identifiable assets | 747.1 |  |  |  | 710.1 |  |  |  |  | 747.1 | 710.1 | 623.0
Detection and Measurement segment |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 260.3 | 226.4 | 232.3
Detection and Measurement segment | Reportable and other operating segments |  |  |  |  |  |  |  |  |  |  |  |
Income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Special charges, net |  |  |  |  |  |  |  |  |  | 0.3 | 0.8 | 0.9
Operating income (loss) |  |  |  |  |  |  |  |  |  | 63.4 | 45.3 | 46.0
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  | 0.8 | 0.7 | 1.2
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Total depreciation and amortization |  |  |  |  |  |  |  |  |  | 4.1 | 3.5 | 2.8
Identifiable assets: |  |  |  |  |  |  |  |  |  |  |  |
Total identifiable assets | 277.8 |  |  |  | 244.2 |  |  |  |  | 277.8 | 244.2 | 256.5
Engineered Solutions segment |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  | 654.5 | 736.4 | 797.6
Tangible Long-Lived Assets: |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Contract Termination |  | 9.0 |  |  |  |  |  |  |  |  |  |
Gain on contract settlement |  | $ 10.2 |  |  |  |  |  |  |  |  |  |
Engineered Solutions segment | Reportable and other operating segments |  |  |  |  |  |  |  |  |  |  |  |
Income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Special charges, net |  |  |  |  |  |  |  |  |  | 1.9 | 4.5 | 2.0
Operating income (loss) |  |  |  |  |  |  |  |  |  | (12.6) | 17.3 | (87.4)
Capital expenditures: |  |  |  |  |  |  |  |  |  |  |  |
Total capital expenditures |  |  |  |  |  |  |  |  |  | 6.1 | 6.5 | 8.1
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Total depreciation and amortization |  |  |  |  |  |  |  |  |  | 12.5 | 15.2 | 20.7
Identifiable assets: |  |  |  |  |  |  |  |  |  |  |  |
Total identifiable assets | $ 557.8 |  |  |  | $ 567.6 |  |  |  |  | $ 557.8 | $ 567.6 | 808.6
Minimum |  |  |  |  |  |  |  |  |  |  |  |
Business segment |  |  |  |  |  |  |  |  |  |  |  |
Number of countries in which entity sells its products and services | country | 100 |  |  |  |  |  |  |  |  | 100 |  |
Large Power Projects | Revisions in estimates for large power projects | South Africa |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ (57.2) |  |  | $ (57.2)
Income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | $ (95.0) |  |  |
Large Power Projects | Revisions in estimates for large power projects | Engineered Solutions segment | Reportable and other operating segments | South Africa |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |
Revenues | $ (23.4) |  | (13.5) |  |  |  |  |  |  | $ (36.9) |  |
Income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Operating income (loss) | $ (29.9) |  | $ (22.9) |  |  |  |  |  |  | $ (52.8) |  |

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