CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010
Income Statement [Abstract]
Sales	$ 238,250	$ 231,642	$ 238,266
Cost of sales	158,085	147,686	146,405
Gross profit	80,165	83,956	91,861
Operating expenses:
General and administrative	22,363	22,200	22,341
Advertising	30,369	27,357	27,657
Depreciation	1,411	1,375	1,321
Total operating expenses	54,143	50,932	51,319
Income from operations	26,022	33,024	40,542
Other income (expense):
Interest income, net	288	381	196
Other, net	61	(128)	4
Total other income	349	253	200
Income before provision for income taxes	26,371	33,277	40,742
Provision for income taxes	9,712	12,406	14,740
Net income	$ 16,659	$ 20,871	$ 26,002
Net income per common share:
Basic	$ 0.81	$ 0.93	$ 1.15
Diluted	$ 0.80	$ 0.92	$ 1.14
Weighted average number of common shares outstanding:
Basic	20,613	22,514	22,617
Diluted	20,708	22,643	22,746
Cash dividends declared per common share	$ 0.525	$ 0.475	$ 0.300

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 93-7

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.