Employee Benefit Plans (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2019 USD ($)	Dec. 01, 2018 USD ($)	Nov. 30, 2019 USD ($) plan	Dec. 01, 2018 USD ($)
Retirement Benefits [Abstract]
Number of defined-benefit pension plans | plan			2
Components of net periodic benefit cost
Interest cost	$ 123	$ 127	$ 369	$ 381
Expected return on assets	(46)	(10)	(138)	(30)
Amortization of unrecognized net loss	55	57	165	171
Net periodic benefit cost	$ 132	$ 174	$ 396	$ 522