Exit and Disposal Activities - Components of Exit and Disposal Activities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Employee severance and benefit arrangements	$ 9.9	$ 0.3	$ 15.3	$ 2.7
Relocation costs	0.2	1.0	1.1	2.4
Other restructuring costs	1.5	0.1	3.4	0.4
Total exit and disposal costs	11.6	1.4	19.8	5.5
Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Total exit and disposal costs	3.1	0.0	6.9	0.0
Selling and and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Total exit and disposal costs	8.5	1.3	12.8	5.2
Research and development expenses
Restructuring Cost and Reserve [Line Items]
Total exit and disposal costs	0.0	0.0	0.1	0.0
Other Expense
Restructuring Cost and Reserve [Line Items]
Total exit and disposal costs	0.0	0.1	0.0	0.3
Carlisle Interconnect Technologies
Restructuring Cost and Reserve [Line Items]
Total exit and disposal costs	2.7	0.0	7.5	0.0
Carlisle Fluid Technologies
Restructuring Cost and Reserve [Line Items]
Total exit and disposal costs	7.5	0.6	8.5	3.6
Carlisle Brake & Friction
Restructuring Cost and Reserve [Line Items]
Total exit and disposal costs	1.0	0.0	3.0	0.0
Corporate
Restructuring Cost and Reserve [Line Items]
Total exit and disposal costs	$ 0.4	$ 0.8	$ 0.8	$ 1.9