Notes to CoNsolidated FiNaNCial statemeNts (In thousands of dollars except as noted and per share amounts) 17. PROVISIONS: September 28, September 29,  2013 2012 $ $ Opening balance  4,262 4,344 Provisions used during the period  (839) (82) Closing balance  3,423 4,262 Presented as: Current 1,150 1,363 Non-current 2,273 2,899 3,423 4,262  Provisions are comprised of asset retirement obligations which represent the future cost the Company estimates to  incur for the removal of asbestos in the operating facilities and for oil, chemical and other hazardous materials storage  tanks for which the Company has been able to identify the costs.  The asset retirement obligations have not been discounted as the provision is expected to be used within the next five years.  The estimate of the total liability for future asset retirement obligations is subject to change, based on amendments to  laws and regulations and as new information concerning the Company’s operations becomes available. Future changes,  if any, to the estimated total liability as a result of amended requirements, laws, regulations and operating assumptions  would be recognized prospectively as a change in estimate, when applicable. 18.  FINANCE LEASE OBLIGATIONS:  The Company leases moveable equipment. The leases substantially transfer all the usage benefits of such equipment to the Company. These leases have interest rates varying from 5.0% to 8.625% with maturity dates varying from 2014 to 2015. The outstanding liabilities are as follows: 81 Annual Report 2013 September 28, 2013  September 29, 2012 Carrying Fair Carrying Fair values values values values $ $ $ $ Finance lease obligations  46 48 115 122