Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net Earnings Including Noncontrolling Interest	$ 5.2	$ 5.4
Other Comprehensive (Loss) Income:
Foreign currency translation adjustments	(11.3)	(2.3)
Pension and retiree medical benefits		0.0
Cash flow hedge	4.8	1.4
Income Taxes:
Foreign currency translation adjustments	0.0	(0.1)
Pension and retiree medical benefits		0.0
Cash flow hedge	(1.1)	(0.3)
Total Other Comprehensive (Loss) Income, net of tax	(7.6)	(1.3)
Total Comprehensive Income Including Noncontrolling Interest	(2.4)	4.1
Comprehensive Income Attributable to Tennant Company	$ (2.4)	$ 4.1