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Severance, Asset Impairment And Other Associated Costs	12 Months Ended
	Dec. 31, 2011
Severance, Asset Impairment And Other Associated Costs [Abstract]
Severance, Asset Impairment And Other Associated Costs	5. Severance, Asset Impairment and Other Associated Costs On September 21, 2011, we announced our plan to exit the international portion of our ScanTech business which is headquartered outside Stockholm, Sweden. ScanTech markets and distributes a line of Volvo and Saab replacement parts throughout the world. As part of the exit, ScanTech's North American business, which is serviced from Sweden, will be transferred to one of our U.S. distribution centers while ScanTech's international business will be offered for sale or liquidated. The exit process is expected to be substantially complete by the end of the second quarter of fiscal 2012. During the year ended December 31, 2011, we recorded charges to write-down the value of inventory by approximately $2.1 million and tooling by approximately $0.1 million, which have been included in the cost of goods sold. Additionally, we recorded $0.4 million in charges for asset write-downs and employee related costs, which have been included in selling, general and administrative expenses.

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