Represents the business combination, value of real estate transferred.

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(4)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 7

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 30

-Paragraph 8

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-SubTopic 30

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-Paragraph 1

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Subparagraph (b)

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- Definition

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 985

-SubTopic 20

-Section 50

-Paragraph 1

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-Topic 730

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-Paragraph 1

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Note 15 - Acquisitions (Details) (USD $)	12 Months Ended			1 Months Ended	0 Months Ended
Note 15 - Acquisitions (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	May 31, 2014	Jun. 25, 2014	Dec. 08, 2014	Nov. 03, 2014	Jul. 01, 2014	Jan. 13, 2014	Oct. 28, 2013	Sep. 30, 2013	Jul. 29, 2013	Jul. 01, 2013	May 06, 2013	Dec. 31, 2012
Note 15 - Acquisitions (Details) [Line Items]
Payments to Acquire Businesses, Gross	$ 157,626,000	$ 72,725,000	$ 104,571,000
Research and Development Expense	2,000,000us-gaap_ResearchAndDevelopmentExpense
Selling, General and Administrative Expenses [Member] \| CNG Fuel Systems [Member]
Note 15 - Acquisitions (Details) [Line Items]
Research and Development Expense				2,000,000
CCTTS [Member]
Note 15 - Acquisitions (Details) [Line Items]
Equity Method Investment, Ownership Percentage					50.00%
Payments to Acquire Equity Method Investments					2,200,000
North Florida Truck Parts, Inc [Member]
Note 15 - Acquisitions (Details) [Line Items]
Payments to Acquire Businesses, Gross						1,600,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life						15 years
House of Trucks, Inc [Member]
Note 15 - Acquisitions (Details) [Line Items]
Payments to Acquire Businesses, Gross							6,900,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life							15 years
Truck Parts Depot Inc [Member]
Note 15 - Acquisitions (Details) [Line Items]
Payments to Acquire Businesses, Gross								500,000,000,000
CIT, Inc [Member]
Note 15 - Acquisitions (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life									15 years
Business Combination, Consideration Transferred									146,600,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)									83,091
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned									2,000,000
Prairie International Trucks [Member]
Note 15 - Acquisitions (Details) [Line Items]
Payments to Acquire Businesses, Gross										9,500,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life										15 years
TransAuthority, Inc. [Member]
Note 15 - Acquisitions (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life											15 years
Business Combination, Consideration Transferred											41,700,000
Business Combination, Value of Real Estate Transferred											11,100,000
Midwest Truck Sales [Member]
Note 15 - Acquisitions (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life												15 years
Business Combination, Consideration Transferred												16,800,000
Business Combination, Value of Real Estate Transferred												2,300,000
Larson Group [Member]
Note 15 - Acquisitions (Details) [Line Items]
Payments to Acquire Businesses, Gross													1,200,000
Piedmont International Trucks, LLC [Member]
Note 15 - Acquisitions (Details) [Line Items]
Business Combination, Consideration Transferred														3,500,000
Acquisition of MVI Group [Member]
Note 15 - Acquisitions (Details) [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life															15 years
Business Combination, Consideration Transferred															$ 104,500,000