Orbit Garant 2012 annual rep O rt 49 Buildings and Drilling Land components equipment Vehicles Other Total Accumulated amortization Balance as at July 1 2010 234 11405 2751 583 14973 Amortization 130 5190 1568 271 7159 Disposals 140 437 252 829 Balance as at June 30 2011 224 16158 4067 854 21303 Amortization 549 6434 2075 354 9412 Disposals 21 1434 279 1734 Effect of movements in exchange rates 12 2 14 Balance as at June 30 2012 752 21170 5865 1208 28995 Net book value July 1 2010 761 2912 21632 5768 608 31681 June 30 2011 729 8443 26072 6918 1061 43223 June 30 2012 512 9010 36032 8726 1600 55880 The gain on disposal of property plant and equipment totalling 168 for the year ended June 30 2012 a gain of 36 for the year ended June 30 2011 is included in cost of contract revenue 10 GOOD w ILL Changes in the goodwill balance were as follows Balance as at July 1 2010 19698 Business acquisitions note 2 3017 Balance as at June 30 2011 22715 Business acquisitions note 2 4056 Balance as at June 30 2012 26771 Goodwill acquired Goodwill arose in the business acquisitions because the total consideration exceeded the fair value of the net assets acqui red In addition the consideration paid for the acquisition effectively included amounts in relation to the beneft of expected synergies revenue growth future market development and the combined workforce of Orbit Garant and the acquired businesses These benefts are not recogni zed separately from goodwill because they do not meet the recognition criteria for identifable intangible assets Allocation of goodwill to CGUs For the purpose of annual impairment testing goodwill is allocated to the following cashgenerating units which are the units expected to beneft from the synergies of the business combinations in which the goodwill arises June 30 June 30 July 1 2012 2011 2010 Canada 18930 16844 13827 International 7841 5871 5871 26771 22715 19698