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Related Party Transactions
6 Months Ended
Jun. 30, 2017
Related Party Transactions [Abstract]  
Related Party Transactions
20.
Related Party Transactions
During the first quarter of 2008, we acquired Sociedade Alfa Ltda. and entered into lease agreements for certain properties owned by or partially owned by the former owners of this entity. Some of these individuals are current employees of Tennant. Lease payments made under these lease agreements are not material to our financial position or results of operations.