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Divestitures (Details) (Tennant CEE GmbH and OOO Tennant) In Thousands, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2013 USD ($) | Jun. 30, 2013 EUR (€) | Jul. 31, 2012 USD ($)
Divestitures |  |  |
Date of divestiture | Jul. 31, 2012 | Jul. 31, 2012 |
Total selling price |  | € 6,166 |
Cash received as part of selling price | 1,014 | 815 |
Total amount of installment payments to be received quarterly in 2013 |  | 2,126 |
Total amount remaining to be received quarterly during 2013 | 2,073 | 1,594 |
Total amount of installment payments to be received on first, second and third anniversary dates | 4,194 | 3,225 |
Gain on Sale of Business | 784 |  |
Assets and Liabilities Divested [Abstract] |  |  |
Accounts Receivable |  |  | 4,398
Inventory |  |  | 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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