Discontinued Operations - Results from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Provision for income taxes	$ 47.3	$ 2.3
Income from discontinued operations	251.7	3.9
Carlisle Food Service Products
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	69.5	83.2
Cost of goods sold	49.5	61.7
Other operating expenses, net	14.8	15.2
Operating income	5.2	6.3
Other non-operating (income) expense, net	0.0	0.1
Income from discontinued operations before income taxes	5.2	6.2
Gain on disposal of discontinued operations	293.8	0.0
Provision for income taxes	47.3	2.3
Income from discontinued operations	$ 251.7	$ 3.9