Exit and Disposal Activities (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended	3 Months Ended			12 Months Ended		3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012 Carlisle Construction Materials	Mar. 31, 2013 Carlisle Transportation Products	Mar. 31, 2012 Carlisle Brake & Friction	Sep. 30, 2011 Carlisle Brake & Friction	Dec. 31, 2012 Carlisle Brake & Friction	Mar. 31, 2013 Carlisle Brake & Friction	Mar. 31, 2013 Carlisle FoodService Products	Sep. 30, 2012 Carlisle FoodService Products	Dec. 31, 2012 Carlisle FoodService Products
Exit and disposal activities
Total exit and disposal costs	$ 0.7	$ 0.3	$ 0.8	$ 0.3	$ 0.3	$ 1.0			$ 0.4
Restructuring and related cost expected to be incurred				2.9						5.7
Restructuring reserve included in accrued expenses				0.1					0.2
Write down of assets sold in connection with plant closure							0.3
Income from reversal of accrued pension costs							0.2
Unpaid lease termination costs								0.2
Restructuring and related cost incurred						$ 0.9	$ 0.1				$ 5.3