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Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2017
Income Statement [Abstract]
Sales revenue, net	$ 1,564,151	$ 1,478,845	$ 1,397,535
Cost of goods sold	923,045	867,646	824,119
Gross profit	641,106	611,199	573,416
Selling, general and administrative expense (SG&A)	438,141	424,833	400,852
Asset impairment charges	0	15,447	2,900
Restructuring charges	3,586	1,857	0
Operating income	199,379	169,062	169,664
Nonoperating income, net	340	327	414
Interest expense	(11,719)	(13,951)	(14,361)
Income before income tax	188,000	155,438	155,717
Income tax expense	13,776	26,556	11,407
Income from continuing operations	174,224	128,882	144,310
Loss from discontinued operations, net of tax	(5,679)	(84,436)	(3,621)
Net income	$ 168,545	$ 44,446	$ 140,689
Earnings (loss) per share - basic:
Continuing operations (in usd per share)	$ 6.68	$ 4.76	$ 5.24
Discontinued operations (in usd per share)	(0.22)	(3.12)	(0.13)
Total earnings per share - basic (in usd per share)	6.46	1.64	5.11
Earnings (loss) per share - diluted:
Continuing operations (in usd per share)	6.62	4.73	5.17
Discontinued operations (in usd per share)	(0.22)	(3.10)	(0.13)
Total earnings per share - diluted (in usd per share)	$ 6.41	$ 1.63	$ 5.04
Weighted average shares of common stock used in computing earnings per share:
Basic (in shares)	26,073	27,077	27,522
Diluted (in shares)	26,303	27,254	27,891

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