NOTE L - COMMITMENTS AND CONTINGENCIES 1. Commitments The Company s operations are principally conducted in leased premises. The leases generally have initial terms ranging from 5 to 20 years and usually provide for renewal options ranging from 5 to 20 years. Most of the leases contain escalation clauses and common area maintenance charges (including taxes and insurance). As of March 25, 2012 , the Company has non-cancelable operating lease commitments, net of certain sublease rental income, as follows: Lease commitments Sublease income Net lease commitments 2013 $ 1,676 $ 427 $ 1,249 2014 1,690 427 1,263 2015 1,680 404 1,276 2016 1,553 270 1,283 2017 1,572 254 1,318 Thereafter 9,760 2,145 7,615 $ 17,931 $ 3,927 $ 14,004 Aggregate rental expense, net of sublease income, under all current leases amounted to $1,248, $1,176 and $1,350 for the fiscal years ended March 25, 2012, March 27, 2011 and March 28, 2010, respectively. Sublease rental income was $229, $311 and $334 for the fiscal years ended March 25, 2012, March 27, 2011 and March 28, 2010, respectively. Contingent rental payments on building leases are typically made based on the percentage of gross sales on the individual restaurants that exceed predetermined levels. The percentage of gross sales to be paid and related gross sales level which vary by unit. Contingent rental expense, which is inclusive of common area maintenance charges, was approximately $151, $165 and $205 for the fiscal years ended March 25, 2012, March 27, 2011 and March 28, 2010, respectively. The Company leases two sites which it in turn subleases to franchisees, which expire on various dates through 2018 exclusive of renewal options. The Company remains liable for all lease costs when properties are subleased to franchisees. The Company also subleases a restaurant location to a third party. This sublease provides for minimum annual rental payments by the Company aggregating approximately $1,025 and expires in 2027 exclusive of renewal options. The Company leases the majority of its co