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Divestitures (Details) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 31, 2010 USD ($) | Dec. 31, 2012 Tennant CEE GmbH and OOO Tennant USD ($) | Dec. 31, 2012 Tennant CEE GmbH and OOO Tennant EUR (€) | Jul. 31, 2012 Tennant CEE GmbH and OOO Tennant USD ($)
Divestitures |  |  |  |  |  |
Date of divestiture |  |  |  | Jul. 31, 2012 | Jul. 31, 2012 |
Cash received as part of selling price |  |  |  | $ 1,014 | € 815 |
Total selling price |  |  |  |  | 6,166 |
Total amount of installment payments to be received quarterly in 2013 |  |  |  | 2,806 | 2,126 |
Total amount of installment payments to be received on first, second and third anniversary dates |  |  |  | 4,257 | 3,225 |
Gain on Sale of Business | 784 | 0 | 0 | 784 |  |
Assets and Liabilities Divested |  |  |  |  |  |
Accounts Receivable |  |  |  |  |  | 4,398
Inventories |  |  |  |  |  | 4,271
Other Current Assets |  |  |  |  |  | 87
Current Assets |  |  |  |  |  | 8,756
Property, Plant and Equipment |  |  |  |  |  | 170
Total Assets Divested |  |  |  |  |  | 8,926
Current Liabilities |  |  |  |  |  | 1,121
Total Liabilities Divested |  |  |  |  |  | 1,121
Net Assets Divested |  |  |  |  |  | $ 7,805

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