Goodwill and Other Intangible Assets, net - Changes in the Carrying Amount of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2017 USD ($)
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	$ 1,081.2
Goodwill acquired during the year	91.3
Currency translation and other	7.7
Goodwill, Balance at the end of the period	1,180.2
Carlisle Construction Materials
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	117.5
Goodwill acquired during the year	4.7
Currency translation and other	4.3
Goodwill, Balance at the end of the period	126.5
Carlisle Interconnect Technologies
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	639.1
Goodwill acquired during the year	0.0
Currency translation and other	1.3
Goodwill, Balance at the end of the period	640.4
Carlisle Food Service Products
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	60.3
Goodwill acquired during the year	86.6
Currency translation and other	0.0
Goodwill, Balance at the end of the period	146.9
Carlisle Fluid Technologies
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	167.9
Goodwill acquired during the year	0.0
Currency translation and other	2.0
Goodwill, Balance at the end of the period	169.9
Carlisle Brake & Friction
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	96.4
Goodwill acquired during the year	0.0
Currency translation and other	0.1
Goodwill, Balance at the end of the period	$ 96.5