Discontinued Operations - Major classes of line items constituting earnings from discontinued operations before income taxes related to MFS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Results of discontinued operations
Provision for taxes on income	$ 0.0	$ 0.6	$ 35.9
Spinoff | Manitowoc Food Service
Results of discontinued operations
Net sales		219.6	1,570.1
Cost of sales		141.5	1,065.6
Engineering, selling and administrative expenses		48.3	271.3
Amortization of intangible assets		5.2	31.4
Asset impairment expense		0.0	9.0
Restructuring expense		0.3	4.6
Separation expense		27.7	39.4
Other		0.0	0.9
Total operating costs and expenses		223.0	1,422.2
Operating (loss) income		(3.4)	147.9
Other (expense) income		(2.2)	23.4
(Loss) income from discontinued operations before income taxes		(5.6)	171.3
Provision for taxes on income		0.6	35.9
(Loss) income from discontinued operations, net of income taxes		$ (6.2)	$ 135.4