Note 6 - Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss - Components of Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Aug. 28, 2018	Feb. 28, 2018	Aug. 31, 2017
Accumulated unrealized gains (losses) on cash flow hedges, net of tax	$ 2,058		$ 3,802
Accumulated foreign currency translation adjustments	(20,656)		(38,522)
Total accumulated other comprehensive loss	$ (18,598)	$ (18,598)	$ (34,720)