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Acquisitions - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Feb. 17, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Business Acquisition [Line Items] |  |  |  |  |
Net sales |  | $ 298.3 | $ 279.8 | $ 911.8 | $ 836.0
Total operating income |  | 34.3 | $ 34.0 | 100.6 | $ 97.6
OSW |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Lease term | 10 years |  |  |  |
Payments for rent |  | 0.3 |  | 0.6 |
Operating lease liabilities |  | $ 9.5 |  | 9.5 |
OSW |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to acquire businesses | $ 53.5 |  |  |  |
Net sales |  |  |  | 27.9 |
Total operating income |  |  |  | $ (0.5) |

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