Note 5 - Inventories (Detail) - Inventories (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
New commercial vehicles	$ 494,496	$ 488,397
Used commercial vehicles	53,630	48,430
Parts and accessories	141,936	107,745
Other	11,073	10,084
Less allowance	(10,182)	(5,030)
Total	$ 690,953	$ 649,626

The amount of the valuation account as of the balance sheet date which reduces the carrying amount of inventory to net realizable value; takes into consideration such factors as market value, excessive quantities based on expected sales, technological obsolescence, and shrinkage. May also provide for estimated product returns or price concessions pertaining to product cost.

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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+ Details