Note 10 - Pension and Postretirement Benefits - Amounts Expected to be Amortized from AOCI Into Net Periodic Benefit Costs Over Next Fiscal Year (Details) $ in Thousands	Dec. 02, 2017 USD ($)
Pension Plan [Member] | UNITED STATES
Amounts expected to be amortized from accumulated other comprehensive income into net periodic benefit costs over next fiscal year as of December 2, 2017
Amortization of prior service cost (benefit)	$ 29
Amortization of net actuarial (gain) loss	5,903
Total	5,932
Pension Plan [Member] | Foreign Plan [Member]
Amounts expected to be amortized from accumulated other comprehensive income into net periodic benefit costs over next fiscal year as of December 2, 2017
Amortization of prior service cost (benefit)	(3)
Amortization of net actuarial (gain) loss	2,735
Total	2,732
Other Pension, Postretirement and Supplemental Plans [Member]
Amounts expected to be amortized from accumulated other comprehensive income into net periodic benefit costs over next fiscal year as of December 2, 2017
Amortization of prior service cost (benefit)
Amortization of net actuarial (gain) loss	60
Total	$ 60