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Goodwill and Other Intangible Assets, net - Changes in the Carrying Amount of Goodwill (Details)
$ in Millions
9 Months Ended
Sep. 30, 2019
USD ($)
business
Dec. 31, 2016
USD ($)
Changes in the carrying amount of goodwill    
Goodwill, Balance at the beginning of the period $ 1,441.8  
Goodwill acquired during the year 96.2  
Measurement period adjustments 0.0  
Currency translation and other (3.4)  
Goodwill, Balance at the end of the period $ 1,534.6  
Number of Businesses Acquired | business 4  
Total consideration $ 42.1  
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 64.3  
Measurement period adjustments 0.3  
Currency translation and other (1.7)  
Goodwill, Balance at the end of the period 595.7  
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 15.8  
Measurement period adjustments (2.0)  
Currency translation and other (0.2)  
Goodwill, Balance at the end of the period 656.7  
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 16.1  
Measurement period adjustments 1.7  
Currency translation and other (1.5)  
Goodwill, Balance at the end of the period 185.8  
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  
Measurement period adjustments 0.0  
Currency translation and other 0.0  
Goodwill, Balance at the end of the period $ 96.4  
Goodwill, accumulated impairment loss   $ 130.0