v3.26.1
Segment Information - Summary of Other Financial Information by Reportable Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Net Sales, EBIT, Assets continuing operations by reportable segment        
Depreciation and Amortization $ 48.7 $ 48.9 $ 97.9 $ 96.7
Capital Expenditures 41.7 28.8 70.0 57.8
Operating Segments        
Net Sales, EBIT, Assets continuing operations by reportable segment        
Depreciation and Amortization 48.4 48.0 97.2 94.9
Capital Expenditures 41.5 28.8 69.8 57.8
Corporate        
Net Sales, EBIT, Assets continuing operations by reportable segment        
Depreciation and Amortization 0.3 0.9 0.7 1.8
Capital Expenditures 0.2 0.0 0.2 0.0
Carlisle Construction Materials | Operating Segments        
Net Sales, EBIT, Assets continuing operations by reportable segment        
Depreciation and Amortization 22.9 22.2 45.7 43.8
Capital Expenditures 25.3 18.9 44.2 37.3
Carlisle Weatherproofing Technologies | Operating Segments        
Net Sales, EBIT, Assets continuing operations by reportable segment        
Depreciation and Amortization 25.5 25.8 51.5 51.1
Capital Expenditures $ 16.2 $ 9.9 $ 25.6 $ 20.5