CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares shares in Thousands	Nov. 30, 2015	Nov. 30, 2014
CONSOLIDATED BALANCE SHEETS
Common stock, par value (in dollars per share)	$ 0.10	$ 0.10
Common stock, shares authorized	100,000	100,000
Common stock, shares issued	70,917	69,822
Common stock, shares outstanding	70,083	69,297
Treasury stock, shares	834	524