Business Segment Information - Schedule of Segment Revenue and Operating Profit (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Revenue	$ 419.2	$ 489.4	$ 1,288.4	$ 1,400.2
Corporate expense	(91.8)	(97.7)	(269.6)	(293.1)
Restructuring expense	(7.1)	(1.3)	(11.2)	(11.5)
Operating income	28.3	48.6	119.6	125.6
Periodic pension cost, net	(1.1)	(0.5)	(3.1)	(1.5)
Income from continuing operations before income taxes	24.3	42.2	105.3	110.7
Operating segments
Segment Reporting Information [Line Items]
Segment operating profit	49.3	64.7	167.8	182.7
Operating segments | JBT FoodTech
Segment Reporting Information [Line Items]
Revenue	301.0	334.3	913.5	972.2
Segment operating profit	37.9	42.5	127.6	132.5
Operating segments | JBT AeroTech
Segment Reporting Information [Line Items]
Revenue	118.2	155.0	374.9	427.8
Segment operating profit	11.4	22.2	40.2	50.2
Other revenue and intercompany eliminations
Segment Reporting Information [Line Items]
Revenue	0.0	0.1	0.0	0.2
Corporate, non-segment
Segment Reporting Information [Line Items]
Corporate expense	13.9	14.8	37.0	45.6
Restructuring expense	7.1	1.3	11.2	11.5
Operating income	28.3	48.6	119.6	125.6
Periodic pension cost, net	1.1	0.5	3.1	1.5
Interest expense, net	$ 2.9	$ 5.9	$ 11.2	$ 13.4