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Goodwill and Other Intangible Assets, net - Changes in the Carrying Amount of Goodwill (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Dec. 31, 2016
Changes in the carrying amount of goodwill    
Goodwill, Balance at the beginning of the period $ 1,441.8  
Goodwill acquired during the year 63.0  
Currency translation and other 0.0  
Goodwill, Balance at the end of the period 1,504.8  
Carlisle Construction Materials    
Changes in the carrying amount of goodwill    
Goodwill, Balance at the beginning of the period 532.8  
Goodwill acquired during the year 63.0  
Currency translation and other (0.5)  
Goodwill, Balance at the end of the period 595.3  
Carlisle Interconnect Technologies    
Changes in the carrying amount of goodwill    
Goodwill, Balance at the beginning of the period 643.1  
Goodwill acquired during the year 0.0  
Currency translation and other 0.1  
Goodwill, Balance at the end of the period 643.2  
Carlisle Fluid Technologies    
Changes in the carrying amount of goodwill    
Goodwill, Balance at the beginning of the period 169.5  
Goodwill acquired during the year 0.0  
Currency translation and other 0.3  
Goodwill, Balance at the end of the period 169.8  
Carlisle Brake & Friction    
Changes in the carrying amount of goodwill    
Goodwill, Balance at the beginning of the period 96.4  
Goodwill acquired during the year 0.0  
Currency translation and other 0.1  
Goodwill, Balance at the end of the period $ 96.5  
Goodwill, accumulated impairment loss   $ 130.0