Exit and Disposal Activities (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Feb. 09, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		$ 11.6	$ 1.4	$ 19.8	$ 5.5
Carlisle Interconnect Technologies
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		2.7	0.0	7.5	0.0
Carlisle Fluid Technologies
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		7.5	0.6	8.5	3.6
Carlisle Brake & Friction
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		1.0	0.0	3.0	0.0
Corporate
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		0.4	$ 0.8	0.8	$ 1.9
Aerospace Manufacturing Operations | Carlisle Interconnect Technologies | Employee Severance and Benefit Arrangement
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		0.3		1.6
Exit and disposal costs, aggregate expense recognized		1.6		1.6
Exit and disposal costs, expected to be incurred		2.2		2.2
Medical Business | Carlisle Interconnect Technologies | Employee Termination Benefits
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		2.5		5.1
Exit and disposal costs, aggregate expense recognized		12.7		12.7
Exit and disposal costs, expected to be incurred		14.6		14.6
Designated cash		10.1		10.1
Funds designated for specific use during the quarter		8.2
Restructuring of Global Footprint | Carlisle Fluid Technologies
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		7.5		0.0
Exit and disposal costs, expected to be incurred		11.5		11.5
Administrative Functions and Facilities | Carlisle Fluid Technologies | Employee Relocation
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs		0.1		1.0
Exit and disposal costs, aggregate expense recognized		5.1		5.1
Exit and disposal costs, expected to be incurred		5.2		5.2
Manufacturing Operations | Carlisle Brake & Friction | Employee Retention and Termination Benefits
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred		2.5		2.5
Minimum | Manufacturing Operations | Carlisle Brake & Friction
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred		17.5		17.5
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		5.0		5.0
Minimum | 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		5.0
Minimum | Manufacturing Operations | Carlisle Brake & Friction | Other Miscellaneous Costs
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred		5.0		5.0
Maximum | Manufacturing Operations | Carlisle Brake & Friction
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred		21.0		21.0
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		6.5		6.5
Maximum | Manufacturing Operations | Carlisle Brake & Friction | Relocate and Reinstall Equipment
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred		6.0		6.0
Maximum | Manufacturing Operations | Carlisle Brake & Friction | Other Miscellaneous Costs
Restructuring Cost and Reserve [Line Items]
Exit and disposal costs, expected to be incurred		$ 6.0		$ 6.0