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v3.20.2

Segment Information - Summary of Net Sales, Operating Income (Loss), and Total Assets by Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |  |
Total net sales | $ 270.1 | $ 324.3 | $ 556.2 | $ 598.1 |
Total operating income | 31.3 | 46.3 | 63.6 | 72.1 |
Interest expense | 1.8 | 2.0 | 3.3 | 4.0 |
Other expense (income), net | 2.0 | (0.1) | 2.2 | 0.3 |
Income before income taxes | 27.5 | 44.4 | 58.1 | 67.8 |
Total assets | 1,211.2 |  | 1,211.2 |  | $ 1,165.5
Continuing Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total assets | 1,210.9 |  | 1,210.9 |  | 1,165.2
Discontinued Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total assets | 0.3 |  | 0.3 |  | 0.3
Environmental Solutions |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total net sales | 214.2 | 267.2 | 447.2 | 486.7 |
Total operating income | 28.6 | 44.8 | 58.0 | 70.5 |
Environmental Solutions | Continuing Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total assets | 923.8 |  | 923.8 |  | 908.1
Safety and Security Systems |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total net sales | 55.9 | 57.1 | 109.0 | 111.4 |
Total operating income | 10.4 | 9.5 | 17.8 | 18.2 |
Safety and Security Systems | Continuing Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total assets | 226.6 |  | 226.6 |  | 222.6
Corporate And Eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating income | (7.7) | $ (8.0) | (12.2) | $ (16.6) |
Corporate And Eliminations | Continuing Operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total assets | $ 60.5 |  | $ 60.5 |  | $ 34.5

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