Exit and Disposal and Other Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 6.6	$ 6.9	$ 8.0	$ 8.9
Employee severance and benefit arrangements	3.2	5.7	5.1	6.0
Carlisle Interconnect Technologies
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	6.6	4.6	7.9	6.5
Carlisle Interconnect Technologies | Impact from COVID-19
Restructuring Cost and Reserve [Line Items]
Employee severance and benefit arrangements	2.1	2.8	2.8	2.8
Carlisle Interconnect Technologies | Employee Termination Benefit Costs | WASHINGTON
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	4.5		5.1
Exit and disposal costs, expected to be incurred	14.2		14.2
Exit and disposal costs, remaining amount	$ 2.5		2.5
Carlisle Interconnect Technologies | Employee Termination Benefit Costs | ALABAMA
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		1.4
Carlisle Interconnect Technologies | Employee Termination Benefit Costs | Minimum | WASHINGTON
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected period to complete	4 months
Carlisle Interconnect Technologies | Employee Termination Benefit Costs | Maximum | WASHINGTON
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected period to complete	8 months
Carlisle Interconnect Technologies | Facility Closing | CALIFORNIA
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		0.4		2.3
Carlisle Fluid Technologies
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 0.0	2.1	0.1	2.1
Carlisle Fluid Technologies | Impact from COVID-19
Restructuring Cost and Reserve [Line Items]
Employee severance and benefit arrangements		2.1		2.1
Carlisle Construction Materials
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 0.0	0.2	$ 0.0	0.3
Carlisle Construction Materials | Impact from COVID-19
Restructuring Cost and Reserve [Line Items]
Employee severance and benefit arrangements		$ 0.2		$ 0.3