Exit and Disposal Activities (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	$ 3.1	$ 3.2
Carlisle Interconnect Technologies
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	1.1	2.3
Carlisle Fluid Technologies
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	0.0	0.5
Carlisle Brake & Friction
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	2.0	0.3
Corporate
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	0.0	$ 0.1
Medical Business | Carlisle Interconnect Technologies | Employee Termination Benefits
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	0.7
Exit and disposal costs, aggregate expense recognized	14.8
Exit and disposal costs, expected to be incurred	15.7
Designated cash			$ 10.1
Funds designated for specific use during the quarter	2.9
Restructuring of Global Footprint | Carlisle Fluid Technologies
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs	0.1
Exit and disposal costs, aggregate expense recognized	10.4
Manufacturing Operations | Carlisle Brake & Friction | Employee Retention and Termination Benefits
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred	3.0
Minimum | Manufacturing Operations | Carlisle Brake & Friction
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred	$ 17.0
Restructuring plan period	18 months
Minimum | Manufacturing Operations | Carlisle Brake & Friction | Non-cash Accelerated Depreciation
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred	$ 3.5
Minimum | Manufacturing Operations | Carlisle Brake & Friction | Relocate and Reinstall Equipment
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred	4.0
Minimum | Manufacturing Operations | Carlisle Brake & Friction | Other Miscellaneous Costs
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred	6.5
Maximum | Manufacturing Operations | Carlisle Brake & Friction
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred	$ 20.5
Restructuring plan period	21 months
Maximum | Manufacturing Operations | Carlisle Brake & Friction | Non-cash Accelerated Depreciation
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred	$ 5.0
Maximum | Manufacturing Operations | Carlisle Brake & Friction | Relocate and Reinstall Equipment
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred	5.0
Maximum | Manufacturing Operations | Carlisle Brake & Friction | Other Miscellaneous Costs
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred	$ 7.5