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Discontinued operations (Tables) | 12 Months Ended
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Mar. 31, 2013
Pipeline |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Schedule of disposed assets, results of discontinued operations and cashflow impact of discontinued operations | The following table summarizes the book value of the disposed pipeline related assets:
Inventory | $ | 1,254 |
Property, plant and equipment, gross | 17,491 |
Accumulated depreciation | (5,459 | )
Pipeline related assets | $ | 13,286 |
The results of pipeline discontinued operations are summarized as follows:
Year ended March 31, | 2013 |  |  | 2012 |  |  | 2011 |
Revenue | $ | 35,901 |  |  | $ | 150,504 |  |  | $ | 85,452 |
Project costs | 36,090 |  |  | 164,278 |  |  | 87,703 |
Depreciation | 196 |  |  | 1,045 |  |  | 550 |
Gross loss | $ | (385 | ) |  | $ | (14,819 | ) |  | $ | (2,801 | )
General and administrative expenses | 1,246 |  |  | 1,371 |  |  | 1,449 |
Gain on disposal of property, plant and equipment | (375 | ) |  | — |  |  | — |
Recovery of previously expensed tools, supplies and equipment parts | (1,095 | ) |  | — |  |  | — |
Gain on sale of inventory | (714 | ) |  | — |  |  | — |
Operating Income (loss) | $ | 553 |  |  | $ | (16,190 | ) |  | $ | (4,250 | )
Interest expense | 700 |  |  | 1,050 |  |  | 1,050 |
Loss before income taxes | $ | (147 | ) |  | $ | (17,240 | ) |  | $ | (5,300 | )
Deferred income tax expense (benefit) | 173 |  |  | (4,282 | ) |  | (1,389 | )
Net loss from discontinued operations | $ | (320 | ) |  | $ | (12,958 | ) |  | $ | (3,911 | )
Cash provided by (used in) the pipeline discontinued operations is summarized as follows:
Year ended March 31, | 2013 |  |  | 2012 |  |  | 2011 |
Operating activities | $ | 928 |  |  | $ | (16,195 | ) |  | $ | (4,750 | )
Investing activities | 11,986 |  |  | (4,110 | ) |  | (1,124 | )
| $ | 12,914 |  |  | $ | (20,305 | ) |  | $ | (5,874 | )
Piling |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Schedule of disposed assets, results of discontinued operations and cashflow impact of discontinued operations | The following table summarizes the book value of the piling related assets classified as held for sale:
Accounts receivable, net | $ | 44,297 |
Unbilled revenue | 9,324 |
Inventories | 7,754 |
Prepaid expenses | 181 |
Intangible assets | 4,220 |
Property, plant and equipment, gross | 83,359 |
Accumulated depreciation | (29,566 | )
Goodwill | 32,901 |
Deferred tax assets | 2,270 |
Assets held for sale | $ | 154,740 |
The following table summarizes the book value of the piling related liabilities classified as held for sale:
Accounts payable | $ | 17,048 |
Accrued liabilities | 23 |
Billings in excess | 3,115 |
Capital lease obligation | 5,927 |
Deferred tax liabilities | 12,733 |
Liabilities held for sale | $ | 38,846 |
The results of piling discontinued operations are summarized as follows:
Year ended March 31, | 2013 |  |  | 2012 |  |  | 2011 |
Revenue | $ | 236,459 |  |  | $ | 185,321 |  |  | $ | 105,559 |
Project costs | 172,593 |  |  | 136,080 |  |  | 84,175 |
Equipment operating lease expense | 2,315 |  |  | 2,315 |  |  | 1,071 |
Depreciation | 3,592 |  |  | 3,213 |  |  | 3,828 |
Gross profit | $ | 57,959 |  |  | $ | 43,713 |  |  | $ | 16,485 |
General and administrative expenses | 12,451 |  |  | 11,696 |  |  | 9,654 |
Amortization of intangible assets | 1,408 |  |  | 1,415 |  |  | 1,390 |
Operating income | $ | 44,100 |  |  | $ | 30,602 |  |  | $ | 5,441 |
Interest expense | 7,639 |  |  | 7,129 |  |  | 6,408 |
Income (loss) before income taxes | $ | 36,461 |  |  | $ | 23,473 |  |  | $ | (967 | )
Deferred income tax expense | 9,295 |  |  | 6,294 |  |  | 46 |
Net income (loss) from discontinued operations | $ | 27,166 |  |  | $ | 17,179 |  |  | $ | (1,013 | )
Cash provided by (used in) the piling discontinued operations is summarized as follows:
Year ended March 31, | 2013 |  |  | 2012 |  |  | 2011 |
Operating activities | $ | 37,263 |  |  | $ | 22,370 |  |  | $ | 16,431 |
Investing activities | (34,047 | ) |  | (8,184 | ) |  | (26,198 | )
Financing activities | (848 | ) |  | (337 | ) |  | — |
| $ | 2,368 |  |  | $ | 13,849 |  |  | $ | (9,767 | )

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- Definition Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1474-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 43, 44, 45, 47, 48 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1510-107760 + Details
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