Goodwill and Other Intangible Assets, net - Net Carrying Value of Other Intangibles (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	$ 1,049.5	$ 967.7
Carlisle Construction Materials
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	381.1	285.3
Carlisle Interconnect Technologies
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	304.8	313.4
Carlisle Fluid Technologies
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	277.1	280.9
Carlisle Brake & Friction
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	85.0	86.6
Corporate
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	$ 1.5	$ 1.5