Condensed Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues	$ 262.5	$ 272.8
Cost of Sales	154.3	163.7
Gross Profit	108.2	109.1
Operating Expense:
Research and Development Expense	7.2	8.0
Selling and Administrative Expense	90.2	90.7
Total Operating Expense	97.4	98.7
Profit from Operations	10.8	10.4
Other Income (Expense):
Interest Income	0.8	0.7
Interest Expense	(5.0)	(5.7)
Net Foreign Currency Transaction Gain (Loss)	0.2	(0.7)
Other Expense, Net	(0.2)	(0.3)
Total Other Expense, Net	(4.2)	(6.0)
Profit Before Income Taxes	6.6	4.4
Income Tax Expense	1.2	1.1
Net Earnings Including Noncontrolling Interest	5.4	3.3
Net Earnings Attributable to Tennant Company	$ 5.4	$ 3.3
Net Earnings (Loss) Attributable to Tennant Company per Share:
Basic	$ 0.30	$ 0.18
Diluted	$ 0.29	$ 0.18
Weighted Average Shares Outstanding:
Basic	18,042,468	17,790,989
Diluted	18,345,211	18,245,359
Cash Dividend Declared per Common Share	$ 0.22	$ 0.21