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Joint Venture Transactions
12 Months Ended
May. 28, 2015
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Abstract]  
Joint Venture Transactions
10. Joint Venture Transactions
 
At May 28, 2015 and May 29, 2014, the Company held investments with aggregate carrying values of $5,643,000 and $2,025,000, respectively, in several joint ventures, three of which are accounted for under the equity method, and one of which is accounted for under the cost method.