Segment Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)
Net Sales, EBIT, Assets continuing operations by reportable segment
Number of reportable segments | segment	4
Revenues	$ 1,178.8	$ 1,496.3
Operating Income (Loss)	141.0	277.3
Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	1,178.8	1,496.3
Operating Income (Loss)	168.1	300.9
Corporate and unallocated
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	0.0	0.0
Operating Income (Loss)	(27.1)	(23.6)
Carlisle Construction Materials | Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	576.0	881.1
Operating Income (Loss)	122.4	261.1
Carlisle Weatherproofing Technologies | Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	316.6	359.1
Operating Income (Loss)	24.1	37.5
Carlisle Interconnect Technologies | Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	213.5	185.0
Operating Income (Loss)	10.9	(2.5)
Carlisle Fluid Technologies | Operating segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	72.7	71.1
Operating Income (Loss)	$ 10.7	$ 4.8