Condensed quarterly financial information is as follows (amounts in thousands, except per share amounts):

	Year Ended March 31, 2018
	First Quarter		Second Quarter			Third Quarter			Fourth Quarter			Annual Amount

Net sales	$	367,157	$	370,845		$	342,569		$	330,426		$	1,410,997
Cost of sales		289,564		283,274			265,881			248,796			1,087,515
Gross profit		77,593		87,571			76,688			81,630			323,482

Selling, general, and administrative expenses		54,664		56,340			57,134			59,989			228,127
Depreciation and amortization		2,063		2,129			2,894			2,835			9,921
Interest and financing costs		359		274			270			292			1,195
Operating expenses		57,086		58,743			60,298			63,116			239,243
Operating income		20,507		28,828			16,390			18,514			84,239
Other income and (expense)		271		(141	)		(131	)		(347	)		(348	)
Earnings before provision for income taxes		20,778		28,687			16,259			18,167			83,891
Provision for income taxes		7,355		11,466			678			9,270			28,769
Net earnings	$	13,423	$	17,221		$	15,581		$	8,897		$	55,122

Net earnings per common share—Basic (1)	$	0.97	$	1.24		$	1.12		$	0.65		$	4.00
Net earnings per common share—Diluted (1)	$	0.96	$	1.23		$	1.11		$	0.65		$	3.95

(1) Basic and diluted earnings per share are computed independently for each of the quarters presented. Therefore, the sum of quarterly basic and diluted per share information may not equal annual basic and diluted earnings per share.

	Year Ended March 31, 2017
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter		Annual Amount

Net sales	$	298,503	$	371,462	$	326,657	$	332,767	$	1,329,389
Cost of sales		230,839		289,529		252,871		256,391		1,029,630
Gross profit		67,664		81,933		73,786		76,376		299,759

Selling, general, and administrative expenses		48,054		51,607		50,160		55,411		205,232
Depreciation and amortization		1,775		1,723		1,910		1,844		7,252
Interest and financing costs		349		400		409		385		1,543
Operating expenses		50,178		53,730		52,479		57,640		214,027
Operating income		17,486		28,203		21,307		18,736		85,732
Other income		-		380		-		-		380
Earnings before provision for income taxes		17,486		28,583		21,307		18,736		86,112
Provision for income taxes		6,815		11,808		8,687		8,246		35,556
Net earnings	$	10,671	$	16,775	$	12,620	$	10,490	$	50,556

Net earnings per common share—Basic (1)	$	0.76	$	1.21	$	0.92	$	0.76	$	3.65

Net earnings per common share—Diluted (1)	$	0.75	$	1.21	$	0.91	$	0.75	$	3.60

(1)	Basic and diluted earnings per share are computed independently for each of the quarters presented. Therefore, the sum of quarterly basic and diluted per share information may not equal annual basic and diluted earnings per share.