Exit and Disposal Activities - Exit and Disposal Activity Liability (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Restructuring Reserve [Roll Forward]
Balance, beginning	$ 9.0
Charges against the liability	3.2	$ 1.4
Cash payments	(2.1)
Balance, ending	10.1
Carlisle Interconnect Technologies
Restructuring Reserve [Roll Forward]
Balance, beginning	7.6
Charges against the liability	2.3	0.0
Cash payments	(0.8)
Balance, ending	9.1
Carlisle Fluid Technologies
Restructuring Reserve [Roll Forward]
Balance, beginning	0.7
Charges against the liability	0.5	1.1
Cash payments	(0.7)
Balance, ending	0.5
Carlisle Brake & Friction
Restructuring Reserve [Roll Forward]
Balance, beginning	0.0
Charges against the liability	0.3	0.0
Cash payments	(0.3)
Balance, ending	0.0
Corporate
Restructuring Reserve [Roll Forward]
Balance, beginning	0.7
Charges against the liability	0.1	$ 0.3
Cash payments	(0.3)
Balance, ending	$ 0.5