Goodwill and Other Intangible Assets, net - Changes in the Carrying Amount of Goodwill (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($) business
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	$ 1,641.7	$ 1,619.8
Goodwill acquired during the year	903.0	18.1
Measurement period adjustments	(339.6)	(2.3)
Currency translation and other	(6.1)	6.1
Goodwill, Balance at the end of the period	2,199.0	$ 1,641.7
Additional Business Acquired
Changes in the carrying amount of goodwill
Number of businesses acquired | business		1
Consideration paid		$ 3.2
Carlisle Construction Materials
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	613.0	597.1
Goodwill acquired during the year	903.0	12.5
Measurement period adjustments	(339.4)	0.0
Currency translation and other	(4.0)	3.4
Goodwill, Balance at the end of the period	1,172.6	613.0
Carlisle Interconnect Technologies
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	835.6	835.2
Goodwill acquired during the year	0.0	2.8
Measurement period adjustments	0.0	(2.3)
Currency translation and other	(0.4)	(0.1)
Goodwill, Balance at the end of the period	835.2	835.6
Carlisle Fluid Technologies
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	193.1	187.5
Goodwill acquired during the year	0.0	2.8
Measurement period adjustments	(0.2)	0.0
Currency translation and other	(1.7)	2.8
Goodwill, Balance at the end of the period	$ 191.2	$ 193.1