Exit and Disposal Activities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 4.8	$ 6.8
Carlisle Interconnect Technologies
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	1.9	3.9
Carlisle Interconnect Technologies | Employee Termination Benefits
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	1.9
Exit and disposal costs, expected to be incurred	10.6
Exit and disposal costs, remaining amount	0.2
Carlisle Brake & Friction
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 2.8	$ 0.7