Goodwill and Other Intangible Assets, net - Net Carrying Value of Other Intangibles (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	$ 1,083.9	$ 1,140.6
Carlisle Construction Materials
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	321.5	345.3
Carlisle Interconnect Technologies
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	413.1	441.0
Carlisle Fluid Technologies
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	262.3	272.8
Carlisle Brake & Friction
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	77.1	80.2
Corporate
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	$ 9.9	$ 1.3