Discontinued Operations - Major classes of line items constituting earnings from discontinued operations before income taxes related to MFS (Details) - Spinoff - Manitowoc Food Service - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Results of discontinued operations
Net sales				$ 219.6
Cost of sales				141.5
Engineering, selling and administrative expenses				48.4
Amortization expense				5.2
Restructuring expense				0.3
Separation expense	$ 0.0		$ 0.0	27.7
Total operating costs and expenses				223.1
Loss from operations				(3.5)
Other expense				(1.8)
Loss from discontinued operations before income taxes				(5.3)
Provision for taxes on earnings		$ 1.8		0.5
Loss from discontinued operations, net of income taxes		$ (1.8)		$ (5.8)