| Property, Plant and Equipment [Table Text Block] |
| | | | | | May 31, 2016 | | | Land | | $ | 182,784 | | | $ | 209,930 | | | Buildings | | | 372,027 | | | | 398,984 | | | Improvements | | | 277,027 | | | | 303,032 | | | Restaurant equipment | | | 210,761 | | | | 222,646 | | | Other equipment | | | 75,149 | | | | 82,204 | | | Surplus properties* | | | 19,146 | | | | 4,354 | | | Construction in progress and other | | | 5,741 | | | | 3,325 | | | | | | 1,142,635 | | | | 1,224,475 | | | Less accumulated depreciation | | | 525,202 | | | | 553,225 | | | Property and equipment, net | | $ | 617,433 | | | $ | 671,250 | | |