Segment Information- Financial Information for Operations (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) segment other_customer	Dec. 31, 2021 USD ($) other_customer	Dec. 31, 2020 USD ($) other_customer
Net Sales, EBIT, Assets continuing operations by reportable segment
Number of reportable segments | segment	4
Revenues	$ 6,591.9	$ 4,810.3	$ 3,969.9
Operating Income (Loss)	1,275.7	567.5	487.8
Assets	7,222.0	7,246.8
Depreciation and Amortization	251.3	226.2	224.2
Depreciation and amortization, Discontinued operations		8.3	21.5
Capital Expenditures	$ 183.5	134.8	95.5
Capital expenditures, Discontinued operations		$ 6.7	$ 10.2
Customer | Net sales | Beacon Roofing Supply, Inc
Net Sales, EBIT, Assets continuing operations by reportable segment
Concentration risk (as a percent)	10.90%	12.20%	12.00%
Customer | Net sales | ABC Supply Co.
Net Sales, EBIT, Assets continuing operations by reportable segment
Concentration risk (as a percent)	10.90%	12.40%	12.20%
Customer | Net sales | Other Customers
Net Sales, EBIT, Assets continuing operations by reportable segment
Number of customers | other_customer	0	0	0
Operating Segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	$ 6,591.9	$ 4,810.3	$ 3,969.9
Operating Income (Loss)	1,377.3	690.8	584.8
Depreciation and Amortization	245.4	212.2	198.9
Capital Expenditures	181.4	125.7	71.2
Corporate and unallocated
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	0.0	0.0	0.0
Operating Income (Loss)	(101.6)	(123.3)	(97.0)
Depreciation and Amortization	5.9	5.7	3.8
Capital Expenditures	2.1	2.4	14.1
CCM
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	3,885.2	2,846.2	2,335.4
CCM | Operating Segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	3,885.2	2,846.2	2,335.4
Operating Income (Loss)	1,175.0	619.9	524.2
Depreciation and Amortization	55.6	52.7	51.9
Capital Expenditures	135.1	83.8	44.4
CWT
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	1,564.2	990.5	660.2
CWT | Operating Segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	1,564.2	990.5	660.2
Operating Income (Loss)	128.6	64.4	57.4
Depreciation and Amortization	97.1	61.3	46.1
Capital Expenditures	21.6	19.3	7.6
CIT
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	845.4	687.8	731.6
CIT | Operating Segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	845.4	687.8	731.6
Operating Income (Loss)	37.2	(17.5)	(2.1)
Depreciation and Amortization	71.8	75.1	77.5
Capital Expenditures	20.2	15.4	14.5
Carlisle Fluid Technologies
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	297.1	285.8	242.7
Carlisle Fluid Technologies | Operating Segments
Net Sales, EBIT, Assets continuing operations by reportable segment
Revenues	297.1	285.8	242.7
Operating Income (Loss)	36.5	24.0	5.3
Depreciation and Amortization	20.9	23.1	23.4
Capital Expenditures	$ 4.5	$ 7.2	$ 4.7