Segment Information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) segment	Jun. 30, 2022 USD ($)
Net Sales, EBIT, Assets continuing operations by reportable segment
Number of reportable segments | segment			3
Revenues	$ 1,525.9	$ 1,774.9	$ 2,632.0	$ 3,200.1
Operating Income (Loss)	327.6	403.6	458.2	676.2
Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	1,525.9	1,774.9	2,632.0	3,200.1
Operating Income (Loss)	359.9	425.8	517.3	721.9
Corporate and unallocated
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	0.0	0.0	0.0	0.0
Operating Income (Loss)	(32.3)	(22.2)	(59.1)	(45.7)
Carlisle Construction Materials | Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	947.5	1,113.4	1,523.5	1,994.5
Operating Income (Loss)	280.7	358.9	403.1	620.0
Carlisle Weatherproofing Technologies | Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	359.5	448.9	676.1	808.0
Operating Income (Loss)	59.5	59.0	83.6	96.5
Carlisle Interconnect Technologies | Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	218.9	212.6	432.4	397.6
Operating Income (Loss)	$ 19.7	$ 7.9	$ 30.6	$ 5.4