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Contingent Earnout Liabilities (Details) $ in Thousands | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Mar. 31, 2015 USD ($) | Jun. 30, 2014 USD ($) | Mar. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) item | Jun. 30, 2015 USD ($)
Q3 Contracting | 2014 earnout target |  |  |  |  |
Contingent earnout liabilities |  |  |  |  |
Cash paid | $ 5,000 |  |  |  |
Q3 Contracting | 2013 earnout target |  |  |  |  |
Contingent earnout liabilities |  |  |  |  |
Cash paid |  |  | $ 5,000 |  |
Vadnais Corporation |  |  |  |  |
Contingent earnout liabilities |  |  |  |  |
Performance targets ( in years) |  | 2 years |  |  |
Amount of purchase of assets and liabilities |  | $ 6,354 |  |  |
Contingent consideration in cash |  | 900 |  |  |
Estimated fair value of the potential contingent consideration |  | 679 |  |  | $ 755
Vadnais Corporation | 2015 earnout target |  |  |  |  |
Contingent earnout liabilities |  |  |  |  |
Contingent consideration in cash |  | 450 |  |  |
Vadnais Corporation | 2016 earnout target |  |  |  |  |
Contingent earnout liabilities |  |  |  |  |
Contingent consideration in cash |  | $ 450 |  |  |
Surber, Ram-Fab and Williams |  |  |  |  |
Contingent earnout liabilities |  |  |  |  |
Number of small purchases made | item |  |  |  | 3 |
Amount of purchase of assets and liabilities |  |  |  | $ 8,200 |
Surber |  |  |  |  |
Contingent earnout liabilities |  |  |  |  |
Contingent consideration in cash |  |  |  | $ 1,400 |
Contingent earnout period (in years) |  |  |  | 3 years |
Estimated fair value of the potential contingent consideration |  |  |  | $ 1,000 | $ 1,057
RamFab |  |  |  |  |
Contingent earnout liabilities |  |  |  |  |
Contingent consideration in cash |  |  |  | $ 200 |
Contingent earnout period (in years) |  |  |  | 6 months |

X
- Definition Represents the period of meeting certain operating targets over which the contingent earnout is based, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
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- Definition Represents the number of division whose assets and liabilities are transferred to PES entity. + References No definition available. + Details
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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 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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