Goodwill and Other Intangible Assets, net - Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Dec. 31, 2016
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	$ 1,738.2
Measurement period adjustments	(0.2)
Currency translation and other	(2.5)
Goodwill, Balance at the end of the period	1,735.5
Carlisle Construction Materials
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	613.0
Measurement period adjustments	0.0
Currency translation and other	(1.5)
Goodwill, Balance at the end of the period	611.5
Carlisle Interconnect Technologies
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	835.6
Measurement period adjustments	0.0
Currency translation and other	(0.4)
Goodwill, Balance at the end of the period	835.2
Carlisle Fluid Technologies
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	193.1
Measurement period adjustments	(0.2)
Currency translation and other	(0.6)
Goodwill, Balance at the end of the period	192.3
Carlisle Brake & Friction
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	96.5
Measurement period adjustments	0.0
Currency translation and other	0.0
Goodwill, Balance at the end of the period	$ 96.5
Goodwill, accumulated impairment loss		$ 130.0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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