Segment Information (Details 2) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) customer	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Net Sales, EBIT, Assets continuing operations by reportable segment
Sales	$ 876.2	$ 973.1	$ 984.6	$ 709.3	$ 790.0	$ 904.1	$ 859.5	$ 650.4	$ 3,543.2	$ 3,204.0	$ 2,943.0
EBIT	125.7	$ 161.8	$ 148.0	$ 66.4	89.0	$ 134.0	$ 122.3	$ 63.0	501.9	408.3	366.8
Assets	3,954.1				3,758.7				3,954.1	3,758.7	3,492.7
Depreciation and Amortization									129.3	104.0	96.1
Capital Spending									72.1	118.8	97.9
Reconciliation of depreciation and amortization and capital spending
Depreciation and amortization per table above									129.3	104.0	96.1
Depreciation and amortization of discontinued operations											17.8
Total depreciation and amortization									129.3	104.0	113.9
Capital spending per table above									72.1	118.8	97.9
Capital spending of discontinued operations											12.9
Total capital spending									$ 72.1	118.8	110.8
Customer | Net sales
Reconciliation of depreciation and amortization and capital spending
Number of customers | customer									0
Customer | Net sales | Beacon Roofing Supply, Inc
Reconciliation of depreciation and amortization and capital spending
Concentration risk (as a percent)									10.00%
Corporate
Net Sales, EBIT, Assets continuing operations by reportable segment
EBIT									$ (56.2)	(49.1)	(47.1)
Assets	379.4				757.6				379.4	757.6	791.4
Depreciation and Amortization									1.6	1.1	1.7
Capital Spending									0.2	6.5
Reconciliation of depreciation and amortization and capital spending
Depreciation and amortization per table above									1.6	1.1	1.7
Capital spending per table above									0.2	6.5
Carlisle Construction Materials
Net Sales, EBIT, Assets continuing operations by reportable segment
Sales									2,002.6	1,935.4	1,776.5
EBIT									351.1	268.8	264.0
Assets	899.2				915.1				899.2	915.1	886.9
Depreciation and Amortization									37.3	34.6	31.0
Capital Spending									21.0	51.4	64.5
Reconciliation of depreciation and amortization and capital spending
Depreciation and amortization per table above									37.3	34.6	31.0
Capital spending per table above									21.0	51.4	64.5
Carlisle Interconnect Technologies
Net Sales, EBIT, Assets continuing operations by reportable segment
Sales									784.6	669.1	577.7
EBIT									141.6	132.2	89.4
Assets	1,264.0				1,296.3				1,264.0	1,296.3	1,017.5
Depreciation and Amortization									44.3	37.6	34.4
Capital Spending									31.6	32.2	12.2
Reconciliation of depreciation and amortization and capital spending
Depreciation and amortization per table above									44.3	37.6	34.4
Capital spending per table above									31.6	32.2	12.2
Carlisle Fluid Technologies
Net Sales, EBIT, Assets continuing operations by reportable segment
Sales									203.2
EBIT									20.8
Assets	659.5								659.5
Depreciation and Amortization									15.0
Capital Spending									1.9
Reconciliation of depreciation and amortization and capital spending
Depreciation and amortization per table above									15.0
Capital spending per table above									1.9
Carlisle Brake & Friction
Net Sales, EBIT, Assets continuing operations by reportable segment
Sales									310.2	355.3	350.0
EBIT									17.3	26.8	33.5
Assets	553.0				591.3				553.0	591.3	603.7
Depreciation and Amortization									21.4	21.9	21.3
Capital Spending									11.1	11.2	10.4
Reconciliation of depreciation and amortization and capital spending
Depreciation and amortization per table above									21.4	21.9	21.3
Capital spending per table above									11.1	11.2	10.4
Carlisle Food Service Products
Net Sales, EBIT, Assets continuing operations by reportable segment
Sales									242.6	244.2	238.8
EBIT									27.3	29.6	27.0
Assets	$ 199.0				$ 198.4				199.0	198.4	193.2
Depreciation and Amortization									9.7	8.8	7.7
Capital Spending									6.3	17.5	10.8
Reconciliation of depreciation and amortization and capital spending
Depreciation and amortization per table above									9.7	8.8	7.7
Capital spending per table above									$ 6.3	$ 17.5	$ 10.8