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Goodwill and Other Intangible Assets (Details 3) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Net book value of other intangible assets by the reportable segment    
Other intangible assets, net $ 906.1 $ 611.7
Goodwill 1,137.2 964.5
Goodwill and Intangible Asset Impairment 0.0  
Carlisle Construction Materials    
Net book value of other intangible assets by the reportable segment    
Other intangible assets, net 63.6 72.3
Carlisle Interconnect Technologies    
Net book value of other intangible assets by the reportable segment    
Other intangible assets, net 364.7 386.6
Carlisle Fluid Technologies    
Net book value of other intangible assets by the reportable segment    
Other intangible assets, net 331.4  
Carlisle Brake & Friction    
Net book value of other intangible assets by the reportable segment    
Other intangible assets, net 118.8 123.5
Goodwill 226.6 226.6
Indefinite-lived intangible assets 53.5  
Carlisle FoodService Products    
Net book value of other intangible assets by the reportable segment    
Other intangible assets, net $ 27.6 $ 29.3