Employee Benefit Plans (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2019 USD ($)	Sep. 01, 2018 USD ($)	Aug. 31, 2019 USD ($) plan	Sep. 01, 2018 USD ($)
Retirement Benefits [Abstract]
Number of defined-benefit pension plans | plan			2
Components of net periodic benefit cost
Interest cost	$ 123	$ 127	$ 246	$ 254
Expected return on assets	(46)	(10)	(92)	(20)
Amortization of unrecognized net loss	55	57	110	114
Net periodic benefit cost	$ 132	$ 174	$ 264	$ 348