Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Nov. 28, 2015	Nov. 29, 2014
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 14,765	$ 10,811
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 1	$ 1
Preferred Stock, Shares Authorized	5,000,000	5,000,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 1	$ 1
Common Stock, Shares Authorized	120,000,000	120,000,000
Common Stock, Shares, Issued	49,110,898	50,204,497