Discontinued Operations - Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Millions	Sep. 30, 2018	Mar. 20, 2018	Dec. 31, 2017
ASSETS
Total current assets	$ 0.0		$ 96.5
Total long-term assets	0.0		372.1
LIABILITIES
Total current liabilities	0.0		40.9
Total long-term liabilities	$ 0.0		50.0
Carlisle Food Service Products
ASSETS
Cash and cash equivalents			1.3
Receivables, net			32.0
Inventories, net			59.0
Prepaid other current assets			4.2
Total current assets			96.5
Property, plant, and equipment, net			49.7
Goodwill, net		$ 149.7	149.7
Other intangible assets, net		$ 169.4	169.4
Other long-term assets			3.3
Total long-term assets			372.1
LIABILITIES
Accounts payable			20.4
Accrued expenses			20.5
Total current liabilities			40.9
Other long-term liabilities			50.0
Total long-term liabilities			$ 50.0