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Exit and Disposal and Other Restructuring Activities (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | $ 1.4 | $ 2.0
Employee severance and benefit arrangements | 1.9 | 0.3
Carlisle Interconnect Technologies |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 1.3 | $ 1.9
Carlisle Interconnect Technologies | Impact from COVID-19 |  |
Restructuring Cost and Reserve [Line Items] |  |
Employee severance and benefit arrangements | 0.7 |
Carlisle Interconnect Technologies | Employee Termination Benefit Costs | WASHINGTON |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs | 0.6 |
Exit and disposal costs, expected to be incurred | 14.7 |
Exit and disposal costs, remaining amount | $ 7.5 |
Carlisle Interconnect Technologies | Employee Termination Benefit Costs | Minimum | WASHINGTON |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs, expected period to complete | 12 months |
Carlisle Interconnect Technologies | Employee Termination Benefit Costs | Maximum | WASHINGTON |  |
Restructuring Cost and Reserve [Line Items] |  |
Exit and disposal costs, expected period to complete | 18 months |

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