Segment Information - Summary of Net Sales and Earnings Before Interest and Taxes ("EBIT") (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) segment	Mar. 31, 2023 USD ($)
Net Sales, EBIT, Assets continuing operations by reportable segment
Number of reportable segments | segment	2
Revenues	$ 1,096.5	$ 892.6
Operating Income (Loss)	225.2	120.7
Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	1,096.5	892.6
Operating Income (Loss)	253.4	146.5
Corporate and unallocated
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	0.0	0.0
Operating Income (Loss)	(28.2)	(25.8)
Carlisle Construction Materials | Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	783.6	576.0
Operating Income (Loss)	211.2	122.4
Carlisle Weatherproofing Technologies | Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	312.9	316.6
Operating Income (Loss)	$ 42.2	$ 24.1