The retail calendar for fiscal January 2013 included a fifth week, resulting in a 53-week year. Our comparable store sales in 2012 exclude the impact of the 53rd week and compare the 52 weeks ended January 26, 2013 to the 52 weeks ended January 28, 2012. Lipper shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon. The phone number for the conference call is 800 230-1085. By line of business, Children's and Men's reported the strongest comparable store sales growth for the year. These assets are included in property and equipment and depreciated over the term of the lease. Comparable store sales growth is based on sales for stores including relocated or remodeled stores which were open throughout both the full current and prior year periods and E-Commerce.
Deferred tax assets and liabilities are calculated using the enacted tax rates and laws that are expected to be in effect when the differences are expected to reverse. Critical elements of this low-cost structure are our unique store format, lean staffing levels, sophisticated management information systems and operating efficiencies which are the result of centralized buying, advertising and distribution. Unrecognized tax benefits require significant management judgment regarding applicable statutes and their related interpretation, the status of various income tax audits and our particular facts and circumstances. For example, new legislation or regulations may result in increased costs directly for our compliance or indirectly to the extent such requirements increase prices of goods and services, reduce the availability of raw materials or further restrict our ability to extend credit to our customers. The discount rate was calculated using the closest match available for other insured asset backed securities. We expect to execute the share repurchase program primarily in open market transactions, subject to market conditions and to complete the program by the end of Fiscal 2015.
Our in-store kiosks allow customers to order items from our stores and have them shipped to their homes with no shipping charges. We develop and promote private and exclusive brands that have generated national recognition. Comparable store sales in the Accessories, Women's and Home categories declined slightly for the year. In recent years, we have experienced significant growth in our E-Commerce business. We are fully self-insured for employee-related health care benefits, a portion of which is paid by our associates. Many of these risk factors are outside of our control. None of our vendors individually accounted for more than 5% of our net purchases during 2012.
Our performance is dependent on attracting and retaining a large number of quality associates. Shrink may occur due to theft, loss, inaccurate records for the receipt of inventory or deterioration of goods, among other things. Unobservable inputs include expected redemption date and discount rate. Discount rates ranged from 8. Net sales for 2011 increased 2.
Reuters provides trusted business, financial, national, and international news to professionals via Thomson Reuters desktops, the world's media organizations, and directly to consumers at Reuters. This includes spending on inventory, capital projects and expenses, managing debt levels, and periodically returning value to our shareholders through share repurchases and dividends. A 10 basis point change in estimated inventory shrink would also have had an immaterial impact on our financial statements. The weighted-average discount rate was 9. If we do not properly allocate our capital to maximize returns, we may fail to produce optimal financial results and we may experience a reduction in shareholder value. As our E-Commerce business grows, it also has a more significant impact on our overall gross margin results.
Our stores generally carry a consistent merchandise assortment with some differences attributable to regional preferences. The dividend is payable September 21, 2016 to shareholders of record at the close of business on September 7, 2016. The shares were purchased as part of our share repurchase program. We believe that we have sufficient current and historical knowledge to record reasonable estimates for our inventory reserves. The Milwaukee Journal 07 Apr. Approximately one-fourth of the leases provide for additional rent based on a percentage of sales over designated levels.
The expected volatility assumption is based on the historical volatility of our stock. The conference call and replays are also accessible via the Company's web site at. In lieu of cash dividends, nonvested stock awards are granted restricted stock equivalents which vest consistently with the underlying nonvested stock awards. We have no significant long-term purchase commitments or arrangements with any of our suppliers, and believe that we are not dependent on any one supplier. Vendor allowances will fluctuate based on the amount of promotional and clearance markdowns necessary to liquidate the inventory as well as advertising and other reimbursed costs. Any copying, republication or redistribution of Lipper content, including by caching, framing or similar means, is expressly prohibited without the prior written consent of Lipper.
Thus, the valuation of Target stock shouldn't be as high as it is. Both the increased cost and lower availability of merchandise, raw materials, fuel and labor may also have an adverse impact on our cash and working capital needs as well as those of our suppliers. Free cash flow should be evaluated in addition to, and not considered a substitute for, other financial measures such as net income and cash flow provided by operating activities. We regularly evaluate the likelihood of realizing the benefit for income tax positions we have taken in various federal and state filings by considering all relevant facts, circumstances and information available to us. All of our vendors must comply with applicable laws and our required Terms of Engagement. Revenue from the sale of merchandise at our stores is recognized at the time of sale, net of any returns.