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Note 3 - Segment Information (Detail) - Segment Information (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Total Revenues:
Revenues	$ 168,427	$ 161,418	$ 496,759	$ 490,674
Operating Income (Loss):
Operating Income (Loss)	4,645	(9,754)	18,060	(2,220)
Asset-Based Truckload Services [Member]
Total Revenues:
Revenues	161,625	154,646	477,800	469,990
Operating Income (Loss):
Operating Income (Loss)	7,612	(8,978)	25,176	6,296
Solutions [Member]
Total Revenues:
Solutions	6,802	6,772	18,959	20,684
Operating Income (Loss):
Solutions	(222)	493	(373)	1,322
Unallocated Amount to Segment [Member]
Operating Income (Loss):
Operating Income (Loss)	$ (2,745)	$ (1,269)	$ (6,743)	$ (9,838)

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+ References

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The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

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Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688



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Aggregate revenue during the period for services rendered in the normal course of business (before deducting allowances and discounts) which are not otherwise defined in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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