Quarterly Financial Information, Unaudited (Tables)

12 Months Ended

Feb. 28, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	Quarter ended
	May 31, 2018		August 31, 2018		November 30, 2018		February 28, 2019
	(in thousands, except per share data)
Net sales	$	262,236	$	222,787	$	239,516	$	202,548
Gross profit	58,705		46,904		49,755		43,257
Net income	15,718		11,244		15,395		8,851
Basic earnings per share	0.60		0.43		0.59		0.34
Diluted earnings per share	0.60		0.43		0.59		0.34

	Quarter ended
	May 31, 2017		August 31, 2017		November 30, 2017			February 28, 2018
	(in thousands, except per share data)
Net sales	$	205,283	$	196,329	$	208,158		$	200,660
Gross profit	47,382		43,800		31,117			38,010
Net income	12,062		9,786		(166		)	23,487
Basic earnings (loss) per share	0.46		0.38		(0.01		)	0.91
Diluted earnings per (loss) share	0.46		0.38		(0.01		)	0.90