Quarterly Financial Information, Unaudited (Notes)

12 Months Ended

Feb. 29, 2016

Quarterly Financial Information Disclosure [Abstract]

Quarterly financial information, Unaudited

Selected quarterly financial data (Unaudited)

	Quarter ended
	May 31, 2015		August 31, 2015		November 30, 2015		February 29, 2016
	(in thousands, except per share data)
Net sales	$	228,888	$	214,246	$	242,447	$	217,611
Gross profit	59,304		53,505		62,448		54,854
Net income	19,924		17,243		23,547		16,076
Basic earnings per share	0.77		0.67		0.91		0.62
Diluted earnings per share	0.77		0.67		0.91		0.62

	Quarter ended
	May 31, 2014		August 31, 2014		November 30, 2014		February 28, 2015
	(in thousands, except per share data)
Net sales	$	216,126	$	193,416	$	224,833	$	182,312
Gross profit	55,389		42,100		60,775		47,432
Net income	14,925		13,769		19,965		16,283
Basic earnings per share	0.58		0.54		0.78		0.63
Diluted earnings per share	0.58		0.53		0.77		0.63