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Goodwill | 12 Months Ended
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Mar. 31, 2012
Goodwill [Abstract] |
Goodwill | 5. Goodwill In accordance with the Company’s accounting policy, a goodwill impairment test is completed on October 1 of each fiscal year or whenever events or changes in circumstances indicate that impairment may exist. The Company conducted its annual goodwill impairment tests on October 1, 2011, 2010 and 2009 and concluded that there was no goodwill impairment as the fair value of the Piling reporting unit exceeded its carrying value. There were no triggering events between October 1, 2011 and March 31, 2012. The changes in goodwill during the years ended March 31, 2012, 2011 and 2010 are as follows:
Balance at March 31, 2009 |  |  | $23,872 |
Acquisition of goodwill (assigned to the Piling segment) (note 6(b)) |  |  | 1,239 |
Balance at March 31, 2010 |  |  | 25,111 |
Acquisition of goodwill (assigned to the Piling segment) (note 6(a)) |  |  | 7,790 |
Balance at March 31, 2011 and March 31, 2012 |  |  | $32,901 |

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- Definition The entire disclosure for goodwill. + References No definition available. + Details
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