Consolidated Results of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 28, 2020	Nov. 30, 2019	Nov. 28, 2020	Nov. 30, 2019
Income Statement [Abstract]
Net sales	$ 313,583	$ 337,916	$ 922,162	$ 1,050,340
Cost of sales	243,998	263,606	716,139	808,856
Gross profit	69,585	74,310	206,023	241,484
Selling, general and administrative expenses	19,835	52,716	126,590	169,274
Operating income	49,750	21,594	79,433	72,210
Interest expense, net	1,502	1,995	4,240	7,176
Other income, net	472	231	684	599
Earnings before income taxes	48,720	19,830	75,877	65,633
Income tax expense	11,447	4,596	18,070	15,677
Net earnings	$ 37,273	$ 15,234	$ 57,807	$ 49,956
Earnings per share - basic
Earnings per share - basic	$ 1.44	$ 0.58	$ 2.22	$ 1.89
Earnings per share - diluted
Earnings per share - diluted	$ 1.42	$ 0.57	$ 2.19	$ 1.87
Weighted average basic shares outstanding	25,883	26,432	26,068	26,481
Weighted average diluted shares outstanding	26,225	26,750	26,350	26,776