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Acquisition (Tables) | 12 Months Ended
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Mar. 31, 2013
Acquisition [Abstract] |
Summary of final allocation of the cost of the acquisition to the assets acquired and liabilities assumed |
|  | December 14, 2010 |
Assets acquired: |  |  |  |
Current assets |  | $ | 2,954 |
Property, plant & equipment |  |  | 1,295 |
Backlog |  |  | 170 |
Customer relationships |  |  | 2,700 |
Tradename |  |  | 2,500 |
Permits |  |  | 10,300 |
Goodwill |  |  | 6,938 |
Other assets |  |  | 14 |
Total assets acquired |  |  | 26,871 |
Liabilities assumed: |  |  |  |
Current liabilities |  |  | 1,910 |
Deferred income tax liability |  |  | 5,948 |
Total liabilities assumed |  |  | 7,858 |
Purchase price |  | $ | 19,013 |
Purchase price was allocated to specific finite intangible assets |
|  | Fair Value assigned |  |  | Weighted average amortization period
Intangibles subject to amortization |  |  |  |  |  |
Backlog |  | $ | 170 |  |  | 6 months
Customer relationships |  |  | 2,700 |  |  | 15 years
|  | $ | 2,870 |  |  | 14 years
Purchase price was allocated to specific indefinite intangible assets |
Intangibles not subject to amortization |  |  |  |  |  |
Permits |  | $ | 10,300 |  |  | indefinite
Tradename |  |  | 2,500 |  |  | indefinite
|  | $ | 12,800 |  |  |
Consolidated results of operations of the Company as if the Energy Steel acquisition had occurred at the beginning |
|  | Year Ended March 31, |
|  | 2011 |
Sales |  | $ | 83,301 |
Net income |  |  | 6,097 |
Earnings per share |  |  |  |
Basic |  | $ | .61 |
Diluted |  | $ | .61 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 54 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 55 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph r(2, 3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + 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) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of acquired indefinite-lived intangible assets. Indefinite-lived intangible assets are assets that have no physical form, but have expected future economic benefit. Indefinite-lived assets are assets that are not subject to amortization. Acquired indefinite-lived intangible assets are disclosed by major class (assets that can be grouped together because they are similar, either by their nature or by their use in operations of the entity) and in total. + 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 (b) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of all of the fair values of the purchase price and assets and liabilities acquired in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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