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Goodwill and Other Intangible Assets, net - Changes in the Carrying Amount of Goodwill (Details)
$ in Millions
6 Months Ended
Jun. 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 90.1  
Measurement period adjustments (1.0)  
Currency translation and other 0.0  
Goodwill, Balance at the end of the period $ 1,530.9  
Number of Businesses Acquired | business 2  
Total consideration $ 24.7  
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  
Measurement period adjustments 0.3  
Currency translation and other (0.1)  
Goodwill, Balance at the end of the period 596.0  
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 (1.3)  
Currency translation and other 0.0  
Goodwill, Balance at the end of the period 657.6  
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 11.3  
Measurement period adjustments 0.0  
Currency translation and other 0.1  
Goodwill, Balance at the end of the period 180.9  
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