Property, plant, and equipment estimated useful lives (Tables)

6 Months Ended

May 31, 2014

Property, plant, and equipment estimated useful lives

Property, plant, and equipment estimated useful lives

Property, plant, and equipment are carried at cost, and depreciation is provided using the straight-line method at rates based upon the following estimated useful lives (in years) of the assets:

Buildings	15
Facility improvements	8-15
Machinery and equipment	5-10
Furniture and fixtures	5-8