Goodwill and Other Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Changes in the carrying amount of goodwill
Goodwill gross, Balance at the beginning of the period	$ 964.5
Currency translation	(5.0)
Goodwill gross, Balance at the end of the period	959.5
Carlisle Construction Materials
Changes in the carrying amount of goodwill
Goodwill gross, Balance at the beginning of the period	123.3
Currency translation	(5.0)
Goodwill gross, Balance at the end of the period	118.3
Carlisle Interconnect Technologies
Changes in the carrying amount of goodwill
Goodwill gross, Balance at the beginning of the period		554.3
Goodwill gross, Balance at the end of the period	554.3	554.3
Carlisle Brake & Friction
Changes in the carrying amount of goodwill
Goodwill gross, Balance at the beginning of the period		226.6
Goodwill gross, Balance at the end of the period	226.6	226.6
Carlisle FoodService Products
Changes in the carrying amount of goodwill
Goodwill gross, Balance at the beginning of the period		60.3
Goodwill gross, Balance at the end of the period	$ 60.3	$ 60.3