Restructuring - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges, release of liability			$ 1.1
Restructuring costs incurred to date	$ 85.2		85.2		$ 71.0
Restructuring charges	7.1	$ 1.3	11.2	$ 11.5
Restructuring Plan, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges, release of liability			1.1
Restructuring Plan, 2018 | JBT FoodTech
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs, incurred cost			62.5
Restructuring charges, release of liability			11.6
Restructuring Plan, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring charges			8.5
Severance and related expense | Restructuring Plan, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges, release of liability			0.8
Restructuring costs incurred to date	27.7		27.7		25.4
Severance and related expense | Immaterial Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges, release of liability			0.0
Restructuring costs incurred to date	2.6		2.6		0.0
Severance and related expense | Restructuring Plan, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring charges, release of liability			0.0
Restructuring costs incurred to date	5.9		5.9		$ 0.0
Minimum | Restructuring Plan, 2020 | JBT FoodTech
Restructuring Cost and Reserve [Line Items]
Total expected restructuring cost under plan	7.0		7.0
Minimum | Restructuring Plan, 2020 | JBT AeroTech
Restructuring Cost and Reserve [Line Items]
Total expected restructuring cost under plan	6.0		6.0
Maximum | Restructuring Plan, 2020 | JBT FoodTech
Restructuring Cost and Reserve [Line Items]
Total expected restructuring cost under plan	8.5		8.5
Maximum | Restructuring Plan, 2020 | JBT AeroTech
Restructuring Cost and Reserve [Line Items]
Total expected restructuring cost under plan	$ 6.5		$ 6.5