Summary of Significant Accounting Policies	6 Months Ended
Jun. 30, 2025
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Tennant Company ("the Company", "we", "us", or "our") is a world leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. The Company is committed to creating and commercializing breakthrough, sustainable cleaning innovations to enhance its broad suite of products, including floor maintenance and cleaning equipment, detergent-free and other sustainable cleaning technologies, aftermarket parts and consumables, equipment maintenance and repair service, and asset management solutions. Our products are used in many types of environments, including factories and warehouses, distribution centers, office buildings, public venues such as arenas and stadiums, schools and universities, hospitals and clinics, and more. Customers include contract cleaners to whom organizations outsource facilities maintenance as well as businesses that perform facilities maintenance themselves. The Company reaches these customers through the industry's largest direct sales and service organization and through a strong and well-supported network of authorized distributors worldwide. Basis of Presentation – The accompanying unaudited consolidated financial statements have been prepared in accordance with the U.S. Securities and Exchange Commission (“SEC”) requirements for interim reporting. In our opinion, the consolidated financial statements contain all adjustments (consisting of only normal recurring adjustments) necessary for the fair presentation of our financial position and results of operations. These statements should be read in conjunction with the consolidated financial statements and notes included in our annual report on Form 10-K for the year ended December 31, 2024. The results of operations for interim periods are not necessarily indicative of the results to be expected for the full year. Reclassification – Certain prior period amounts have been reclassified to conform to the current period presentation (e.g. payroll tax accruals are now classified from Employee Compensation and Benefits to Other Current Liabilities). These reclassifications had no effect on previously reported results of operations, total assets, total liabilities or stockholders' equity.

Tennant Company ("the Company", "we", "us", or "our") is a world leader in designing, manufacturing and marketing solutions that help create a cleaner, safer, healthier world. The Company is committed to creating and commercializing breakthrough, sustainable cleaning innovations to enhance its broad suite of products, including floor maintenance and cleaning equipment, detergent-free and other sustainable cleaning technologies, aftermarket parts and consumables, equipment maintenance and repair service, and asset management solutions.

Our products are used in many types of environments, including factories and warehouses, distribution centers, office buildings, public venues such as arenas and stadiums, schools and universities, hospitals and clinics, and more.

Customers include contract cleaners to whom organizations outsource facilities maintenance as well as businesses that perform facilities maintenance themselves. The Company reaches these customers through the industry's largest direct sales and service organization and through a strong and well-supported network of authorized distributors worldwide.

Basis of Presentation – The accompanying unaudited consolidated financial statements have been prepared in accordance with the U.S. Securities and Exchange Commission (“SEC”) requirements for interim reporting. In our opinion, the consolidated financial statements contain all adjustments (consisting of only normal recurring adjustments) necessary for the fair presentation of our financial position and results of operations.

These statements should be read in conjunction with the consolidated financial statements and notes included in our annual report on Form 10-K for the year ended December 31, 2024. The results of operations for interim periods are not necessarily indicative of the results to be expected for the full year.

Reclassification – Certain prior period amounts have been reclassified to conform to the current period presentation (e.g. payroll tax accruals are now classified from Employee Compensation and Benefits to Other Current Liabilities).