Note 14 - Fair Value Measurements (Details) - USD ($) $ in Thousands	May 28, 2016	Nov. 28, 2015
Fair Value, Inputs, Level 1 [Member]
Assets:
Marketable securities	$ 4,201	$ 1,698
Derivative assets
Interest Rate Fair Value Hedge Asset at Fair Value
Fair Value
Liabilities:
Derivative liabilities
Contingent consideration liability
Fair Value
Fair Value, Inputs, Level 2 [Member]
Assets:
Marketable securities
Derivative assets	$ 863	$ 15,185
Interest Rate Fair Value Hedge Asset at Fair Value	2,760	3,395
Fair Value	1,111	5,384
Liabilities:
Derivative liabilities	$ 6,414	$ 4,744
Contingent consideration liability
Fair Value	$ 1,111	$ 5,384
Fair Value, Inputs, Level 3 [Member]
Assets:
Marketable securities
Derivative assets
Interest Rate Fair Value Hedge Asset at Fair Value
Fair Value
Liabilities:
Derivative liabilities
Contingent consideration liability	$ 10,309	$ 10,854
Fair Value
Marketable securities	$ 4,201	$ 1,698
Derivative assets	863	15,185
Interest Rate Fair Value Hedge Asset at Fair Value	2,760	3,395
Fair Value	1,111	5,384
Derivative liabilities	6,414	4,744
Contingent consideration liability	10,309	10,854
Fair Value	$ 1,111	$ 5,384