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Commitments

12 Months Ended

Mar. 31, 2012

Contingencies/Commitments [Abstract]

25. Commitments

The annual future minimum lease payments for heavy equipment, office equipment and premises in respect of operating leases, excluding contingent rentals, for the next five years and thereafter are as follows:


For the year ending March 31,
2013			$54,542
2014			38,553
2015			19,014
2016			4,248
2017 and thereafter			–
			$116,357

Total contingent rentals on operating leases consisting principally of usage (recoveries) charges in excess of minimum contracted amounts for the years ended March 31, 2012, 2011 and 2010 amounted to $(8,449), $1,881 and $10,246 respectively.

- Definition

The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights.

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