XML 16 R3.htm IDEA: XBRL DOCUMENT v3.6.0.2
CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Oct. 31, 2016
Oct. 31, 2015
Statement of Financial Position [Abstract]    
Shares of benefical interest, no par value (in dollars per share)
Shares of benefical interest, authorized 8,000,000 8,000,000
Shares of benefical interest, issued 6,993,152 6,993,152
Vested share units to trustees, issued 77,544 39,350
Treasury stock at cost, shares 253,083 266,283