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EQUIPMENT AND LEASEHOLD IMPROVEMENTS (Details) (USD $)
Jun. 30, 2012
Dec. 31, 2011
Jul. 02, 2011
Equipment and leasehold improvements      
Equipment and leasehold improvements, gross $ 86,467,000 $ 84,429,000 $ 86,340,000
Less: accumulated depreciation and amortization (66,301,000) (65,492,000) (64,624,000)
Equipment and leasehold improvements, net 20,166,000 18,937,000 21,716,000
Leasehold improvements
     
Equipment and leasehold improvements      
Equipment and leasehold improvements, gross 48,695,000 49,425,000 51,164,000
Furniture, fixtures and equipment
     
Equipment and leasehold improvements      
Equipment and leasehold improvements, gross $ 37,772,000 $ 35,004,000 $ 35,176,000