Discontinued Operations - Results from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Benefit) provision for income taxes	$ (0.2)	$ 4.2	$ 46.8	$ 11.0
Income from discontinued operations	2.8	7.2	253.5	18.7
Carlisle Food Service Products
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0.0	86.4	69.5	257.0
Cost of goods sold	0.0	59.5	49.5	181.2
Other operating expenses, net	0.7	15.4	16.5	45.9
Operating (loss) income	(0.7)	11.5	3.5	29.9
Other non-operating (income) expense, net	0.0	0.1	0.0	0.2
(Loss) income from discontinued operations before income taxes	(0.7)	11.4	3.5	29.7
Gain on sale of discontinued operations	3.3	0.0	296.8	0.0
(Benefit) provision for income taxes	(0.2)	4.2	46.8	11.0
Income from discontinued operations	$ 2.8	$ 7.2	$ 253.5	$ 18.7