Acquisitions (Details) - USD ($)										1 Months Ended	3 Months Ended	4 Months Ended	5 Months Ended	9 Months Ended	12 Months Ended				17 Months Ended
	Dec. 31, 2021	Sep. 28, 2021	Sep. 01, 2021	Nov. 20, 2020	Jul. 22, 2020	Jan. 11, 2020	Nov. 20, 2019	Apr. 01, 2019	Jan. 11, 2019	Dec. 31, 2019	Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2021	Nov. 30, 2017
Acquisitions
Proceeds from notes															$ 842,600,000	$ 740,700,000		$ 0
Cost of goods sold															3,495,600,000	2,832,500,000		3,178,500,000
Amortization															134,100,000	126,800,000		117,000,000.0
Revenues															4,810,300,000	3,969,900,000		4,484,600,000
Operating Income (Loss)															567,500,000	487,800,000		634,100,000
Other intangible assets			$ 1,181,800,000
Net change in indemnification asset															800,000	4,700,000		1,900,000
Goodwill, net	$ 2,199,000,000									$ 1,619,800,000		$ 2,199,000,000	$ 1,641,700,000	$ 1,619,800,000	$ 2,199,000,000	1,641,700,000	$ 1,619,800,000	1,619,800,000	$ 2,199,000,000
Useful life of finite lived intangible assets															13 years 7 months 6 days
Customer relationships
Acquisitions
Useful life of finite lived intangible assets															14 years 2 months 12 days
0.55% Notes due 2023
Acquisitions
Interest rate (as a percent)	0.55%											0.55%			0.55%				0.55%
2.20% Notes due 2032
Acquisitions
Proceeds from notes		$ 550,000,000
Interest rate (as a percent)	2.20%											2.20%			2.20%				2.20%
ASP Henry Holdings, Inc.
Acquisitions
Consideration transferred	$ 1,605,600,000		1,608,200,000
Cash and cash equivalents	34,300,000		34,300,000									$ 34,300,000			$ 34,300,000				$ 34,300,000
Contribution to net sales since acquisition												177,300,000
Contribution to operating income since acquisition												6,300,000
Cost of goods sold												2,200,000
Acquisition-related costs															22,200,000
Business combination gross receivables			81,900,000
Receivables not expected to be collected			2,900,000
Goodwill deductible for tax purpose			50,900,000
Other intangible assets	1,181,800,000		735,100,000									1,181,800,000			1,181,800,000				1,181,800,000
Inventories	51,500,000		59,400,000									51,500,000			51,500,000				51,500,000
Receivables, net	79,000,000.0		79,000,000.0									79,000,000.0			79,000,000.0				79,000,000.0
Accounts payable	75,700,000		77,900,000									75,700,000			75,700,000				75,700,000
Deferred tax liabilities	265,200,000		153,400,000									265,200,000			265,200,000				265,200,000
Goodwill, net	563,600,000		903,000,000.0									563,600,000			563,600,000				$ 563,600,000
ASP Henry Holdings, Inc. | Customer relationships
Acquisitions
Amortization												16,300,000
Other intangible assets			$ 915,900,000
Useful life of finite lived intangible assets			18 years
ASP Henry Holdings, Inc. | Technologies
Acquisitions
Amortization												1,400,000
Other intangible assets			$ 46,500,000
Useful life of finite lived intangible assets			11 years
ASP Henry Holdings, Inc. | Software
Acquisitions
Other intangible assets			$ 100,000
Useful life of finite lived intangible assets			4 years
ASP Henry Holdings, Inc. | 0.55% Notes due 2023
Acquisitions
Proceeds from notes		300,000,000
ASP Henry Holdings, Inc. | 2.20% Notes due 2032
Acquisitions
Proceeds from notes		$ 550,000,000
Motion Tech Automation, LLC
Acquisitions
Consideration transferred					$ 33,300,000
Cash and cash equivalents					300,000
Goodwill deductible for tax purpose					$ 16,400,000
Percentage of ownership interest acquired					100.00%
Revenues													9,900,000
Operating Income (Loss)													(500,000)
Other intangible assets					$ 4,300,000
Inventories					4,900,000
Receivables, net					2,700,000
Accounts payable					1,300,000
Maximum indemnification					1,600,000
Indemnification asset					1,500,000
Goodwill, net					16,400,000
Motion Tech Automation, LLC | Customer relationships
Acquisitions
Other intangible assets					1,000,000.0
Useful life of finite lived intangible assets																			9 years
Motion Tech Automation, LLC | Technologies
Acquisitions
Other intangible assets					2,300,000
Useful life of finite lived intangible assets																			9 years
Motion Tech Automation, LLC | Trade names
Acquisitions
Other intangible assets					1,000,000.0
Useful life of finite lived intangible assets																			5 years
Providien
Acquisitions
Consideration transferred				$ 331,300,000			$ 332,100,000
Cash and cash equivalents				3,400,000			3,400,000
Contribution to operating income since acquisition										100,000
Receivables not expected to be collected	100,000											100,000			100,000				$ 100,000
Goodwill deductible for tax purpose							67,500,000
Revenues										11,300,000
Other intangible assets				132,700,000			135,400,000
Inventories				2,400,000			2,700,000
Receivables, net				9,800,000			9,800,000
Accounts payable				5,800,000			6,000,000.0
Deferred tax liabilities				19,000,000.0			27,100,000
Goodwill, net				$ 176,000,000.0			$ 178,300,000
Providien | Customer relationships
Acquisitions
Useful life of finite lived intangible assets							14 years
Providien | Technologies
Acquisitions
Useful life of finite lived intangible assets							7 years
Providien | Trade names
Acquisitions
Useful life of finite lived intangible assets							2 years
Petersen Aluminum
Acquisitions
Consideration transferred						$ 207,200,000			$ 207,200,000
Cash and cash equivalents						5,200,000			5,200,000
Business combination gross receivables									11,600,000
Receivables not expected to be collected									$ 100,000
Goodwill deductible for tax purpose						0
Percentage of ownership interest acquired									100.00%
Revenues																	176,200,000
Operating Income (Loss)																	9,800,000
Other intangible assets						110,100,000			$ 109,300,000
Inventories						39,200,000			39,500,000
Receivables, net						11,500,000			11,500,000
Accounts payable						5,900,000			5,900,000
Indemnification asset									5,200,000
Net change in indemnification asset															2,200,000	3,000,000
Deferred tax liabilities						25,600,000			25,400,000
Goodwill, net						$ 62,800,000			63,000,000.0
Petersen Aluminum | Other long-term assets
Acquisitions
Indemnification asset									5,200,000
Petersen Aluminum | Customer relationships
Acquisitions
Other intangible assets									$ 79,700,000
Useful life of finite lived intangible assets									11 years
Petersen Aluminum | Technologies
Acquisitions
Other intangible assets									$ 2,500,000
Useful life of finite lived intangible assets									10 years
Petersen Aluminum | Trade names
Acquisitions
Other intangible assets									$ 27,900,000
Useful life of finite lived intangible assets									17 years
MicroConnex
Acquisitions
Consideration transferred								$ 46,200,000
Cash and cash equivalents								$ 800,000
Percentage of ownership interest acquired								100.00%
Accella Holdings LLC
Acquisitions
Indemnification asset																				$ 15,600,000
Net change in indemnification asset															1,400,000
Carlisle Construction Materials
Acquisitions
Revenues															3,836,700,000	2,995,600,000		3,233,300,000
Goodwill, net	1,172,600,000									597,100,000		1,172,600,000	613,000,000.0	597,100,000	1,172,600,000	613,000,000.0	597,100,000	597,100,000	1,172,600,000
Carlisle Construction Materials | Motion Tech Automation, LLC
Acquisitions
Goodwill, net					11,000,000
Carlisle Fluid Technologies
Acquisitions
Revenues															285,800,000	242,700,000		278,400,000
Carlisle Fluid Technologies | Motion Tech Automation, LLC
Acquisitions
Goodwill, net					2,600,000
Carlisle Interconnect Technologies
Acquisitions
Revenues															687,800,000	731,600,000		972,900,000
Goodwill, net	$ 835,200,000									$ 835,200,000		$ 835,200,000	$ 835,600,000	835,200,000	$ 835,200,000	$ 835,600,000	$ 835,200,000	$ 835,200,000	$ 835,200,000
Carlisle Interconnect Technologies | Motion Tech Automation, LLC
Acquisitions
Pre-acquisition debt relieved											$ 1,400,000
Goodwill, net					$ 2,800,000
Carlisle Interconnect Technologies | MicroConnex
Acquisitions
Goodwill deductible for tax purpose								$ 0
Revenues														10,200,000
Operating Income (Loss)														$ (800,000)
Other intangible assets								27,400,000
Inventories								900,000
Receivables, net								3,400,000
Accounts payable								600,000
Deferred tax liabilities								7,000,000
Goodwill, net								$ 15,200,000
Carlisle Interconnect Technologies | MicroConnex | Customer relationships
Acquisitions
Useful life of finite lived intangible assets								12 years
Carlisle Interconnect Technologies | MicroConnex | Technologies
Acquisitions
Useful life of finite lived intangible assets								5 years
Carlisle Interconnect Technologies | MicroConnex | Trade names
Acquisitions
Useful life of finite lived intangible assets								17 years