Goodwill and Other Intangible Assets (Details 3) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	$ 479.2	$ 297.9
Carlisle Construction Materials
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	71.8	16.4
Carlisle Transportation Products
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	2.7	0.2
Carlisle Brake & Friction
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	144.0	151.3
Carlisle Interconnect Technologies
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	222.8	89.0
Carlisle FoodService Products
Net book value of other intangible assets by the reportable segment
Other intangible assets, net	$ 37.9	$ 41.0