Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	May 31, 2014	Nov. 30, 2013
Statement of Financial Position Parentheticals [Abstract]
Allowance for Doubtful Accounts	$ 8,951	$ 8,539
Preferred Stock Shares Authorized	10,045,900
Common Stock Par Value	$ 1
Common Stock Authorized	160,000,000
Common Stock Outstanding	50,193,237	50,228,543