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Commitments and Contingencies | 12 Months Ended
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Aug. 27, 2011
Commitments and Contingencies [Abstract] |
Commitments and Contingencies | 11. Commitments and Contingencies Lease Commitments The Company leases certain buildings and equipment from independent parties. Total rent expense on all leases was $7.0 million, $6.3 million and $5.9 million for the fiscal years ended 2011, 2010 and 2009, respectively. Annual minimum lease commitments for the five years subsequent to August 27, 2011 and thereafter are as follows (in thousands):
2012 |  | $ | 5,432 |
2013 |  |  | 4,341 |
2014 |  |  | 2,869 |
2015 |  |  | 2,505 |
2016 |  |  | 1,860 |
Thereafter |  |  | 2,323 |
|  | $ | 19,330 |
Environmental and Legal Contingencies The Company and its operations are subject to various federal, state and local laws and regulations governing, among other things, the generation, handling, storage, transportation, treatment and disposal of hazardous waste and other substances. In particular, industrial laundries use and must dispose of detergent waste water and other residues, and, in the past used perchloroethylene and other dry cleaning solvents. The Company is attentive to the environmental concerns surrounding the disposal of these materials and has, through the years, taken measures to avoid their improper disposal. In the past, the Company has settled, or contributed to the settlement of, actions or claims brought against the Company relating to the disposal of hazardous materials and there can be no assurance that the Company will not have to expend material amounts to remediate the consequences of any such disposal in the future. US GAAP requires that a liability for contingencies be recorded when it is probable that a liability has occurred and the amount of the liability can be reasonably estimated. Significant judgment is required to determine the existence of a liability, as well as the amount to be recorded. The Company regularly consults with attorneys and outside consultants in its consideration of the relevant facts and circumstances before recording a contingent liability. Changes in enacted laws, regulatory orders or decrees, management's estimates of costs, insurance proceeds, participation by other parties, the timing of payments and the input of outside consultants and attorneys based on changing legal or factual circumstances could have a material impact on the amounts recorded for environmental and other contingent liabilities. Under environmental laws, an owner or lessee of real estate may be liable for the costs of removal or remediation of certain hazardous or toxic substances located on, or in, or emanating from, such property, as well as related costs of investigation and property damage. Such laws often impose liability without regard to whether the owner or lessee knew of, or was responsible for the presence of such hazardous or toxic substances. There can be no assurances that acquired or leased locations have been operated in compliance with environmental laws and regulations or that future uses or conditions will not result in the imposition of liability upon the Company under such laws or expose the Company to third-party actions such as tort suits. The Company continues to address environmental conditions under terms of consent orders negotiated with the applicable environmental authorities or otherwise with respect to sites located in or related to Woburn, Massachusetts, Somerville, Massachusetts, Springfield, Massachusetts, Uvalde, Texas, Stockton, California, three sites related to former operations in Williamstown, Vermont, as well as sites located in Goldsboro, North Carolina, Wilmington, North Carolina and Landover, Maryland. The Company has accrued certain costs related to the sites described above as it has been determined that the costs are probable and can be reasonably estimated. The Company continues to implement mitigation measures and to monitor environmental conditions at the Somerville, Massachusetts site. The Company also has potential exposure related to an additional parcel of land (the "Central Area") related to the Woburn, Massachusetts site discussed above. Currently, the consent decree for the Woburn site does not define or require any remediation work in the Central Area. The United States Environmental Protection Agency (the "EPA") has provided the Company and other signatories to the consent decree with comments on the design and implementation of groundwater and soil remedies at the Woburn site and investigation of environmental conditions in the Central Area. The Company, and other signatories, have implemented and proposed to do additional work at the Woburn site but many of the EPA's comments remain to be resolved. The Company has accrued costs to perform certain work responsive to EPA's comments. In addition, in April 2011, the Company received a request from the EPA under the Clean Air Act for information regarding its handling of and operations with respect to the laundering of soiled towels. The Company has responded to this request. The Company routinely reviews and evaluates sites that may require remediation and monitoring and determines its estimated costs based on various estimates and assumptions. These estimates are developed using its internal sources or by third party environmental engineers or other service providers. Internally developed estimates are based on:
| • |  | Management's judgment and experience in remediating and monitoring the Company's sites;
| • |  | Information available from regulatory agencies as to costs of remediation and monitoring;
| • |  | The number, financial resources and relative degree of responsibility of other potentially responsible parties (PRPs) who may be liable for remediation and monitoring of a specific site; and
| • |  | The typical allocation of costs among PRPs.
There is usually a range of reasonable estimates of the costs associated with each site. The Company's accruals reflect the amount within the range that constitutes its best estimate. Where it believes that both the amount of a particular liability and the timing of the payments are reliably determinable, the Company adjusts the cost in current dollars using a rate of 3% for inflation until the time of expected payment and discounts the cost to present value using current risk-free interest rates. As of August 27, 2011, the risk-free interest rates utilized by the Company ranged from 2.2% to 3.5%. For environmental liabilities that have been discounted, the Company includes interest accretion, based on the effective interest method, in selling and administrative expenses on the Consolidated Statements of Income. The changes to the Company's environmental liabilities for the years ended August 27, 2011 and August 28, 2010 are as follows (in thousands):
Year ended |  | August 27, 2011 |  |  | August 28, 2010 |
Beginning balance |  | $ | 18,986 |  |  | $ | 19,384 |
Costs incurred for which reserves have been provided |  |  | (2,485 | ) |  |  | (2,392 | )
Insurance proceeds received |  |  | 203 |  |  |  | 216 |
Interest accretion |  |  | 681 |  |  |  | 794 |
Changes in discount rates |  |  | 284 |  |  |  | 865 |
Revisions in estimates |  |  | 699 |  |  |  | 119 |
Ending balance |  | $ | 18,368 |  |  | $ | 18,986 |
Anticipated payments and insurance proceeds of currently identified environmental remediation liabilities as of August 27, 2011, for the next five fiscal years and thereafter, as measured in current dollars, are reflected below.
(In thousands) | 2012 | 2013 | 2014 | 2015 | 2016 | Thereafter | Total
Estimated costs – current dollars |  |  | $ | 4,333 |  | $ | 2,366 |  | $ | 1,766 |  | $ | 919 |  | $ | 766 |  | $ | 12,387 |  | $ | 22,537 |  |
Estimated insurance proceeds |  |  |  | (159 | ) |  | (173 | ) |  | (159 | ) |  | (173 | ) |  | (159 | ) |  | (1,893 | ) |  | (2,716 | ) |
Net anticipated costs |  |  | $ | 4,174 |  | $ | 2,193 |  | $ | 1,607 |  | $ | 746 |  | $ | 607 |  | $ | 10,494 |  | $ | 19,821 |  |
Effect of inflation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,985 |  |
Effect of discounting |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (8,438 | ) |
Balance as of August 27, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 18,368 |  |
Estimated insurance proceeds are primarily received from an annuity received as part of a legal settlement with an insurance company. Annual proceeds of approximately $0.3 million are deposited into an escrow account which funds remediation and monitoring costs for three sites related to former operations in Williamstown, Vermont. Annual proceeds received but not expended in the current year accumulate in this account and may be used in future years for costs related to this site through the year 2027. As of August 27, 2011, the balance in this escrow account, which is held in a trust and is not recorded in the Company's Consolidated Balance Sheet, was approximately $3.1 million. Also included in estimated insurance proceeds are amounts the Company is entitled to receive pursuant to legal settlements as reimbursements from three insurance companies for estimated costs at the site in Uvalde, Texas. The Company's nuclear garment decontamination facilities are licensed by the Nuclear Regulatory Commission (“NRC”), or, in certain cases, by the applicable state agency, and are subject to regulation by federal, state and local authorities. There can be no assurance that such regulation will not lead to material disruptions in the Company's garment decontamination business. From time to time, the Company is also subject to legal proceedings and claims arising from the conduct of its business operations, including litigation related to charges for certain ancillary services on invoices, personal injury claims, customer contract matters, employment claims and environmental matters as described above. While it is impossible to ascertain the ultimate legal and financial liability with respect to contingent liabilities, including lawsuits and environmental contingencies, the Company believes that the aggregate amount of such liabilities, if any, in excess of amounts accrued or covered by insurance, will not have a material adverse effect on the consolidated financial position and/or results of operations of the Company. It is possible, however, that future financial position or results of operations for any particular period could be materially affected by changes in the Company's assumptions or strategies related to these contingencies or changes out of the Company's control. Other Contingent Liabilities As security for certain agreements with the NRC and various state agencies related to the nuclear operations (see above) and certain insurance programs, the Company had standby irrevocable bank commercial letters of credit of $39.2 million and $35.9 million outstanding as of August 27, 2011 and August 28, 2010, respectively.

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