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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2012
Income Statement [Abstract] |  |  |
Sales | $ 233,391 | $ 227,829 | $ 238,250
Cost of sales | 155,774 | 150,708 | 158,085
Gross profit | 77,617 | 77,121 | 80,165
Operating expenses: |  |  |
General and administrative | 21,352 | 21,592 | 22,363
Advertising | 27,180 | 27,433 | 30,369
Depreciation | 867 | 1,091 | 1,411
Total operating expenses | 49,399 | 50,116 | 54,143
Income from operations | 28,218 | 27,005 | 26,022
Other income (expense): |  |  |
Interest income, net | 185 | 306 | 288
Other, net | (4) | (5) | 61
Total other income | 181 | 301 | 349
Income before provision for income taxes | 28,399 | 27,306 | 26,371
Provision for income taxes | 10,427 | 10,141 | 9,712
Net income | 17,972 | 17,165 | 16,659
Net change in unrealized gain (loss) on short and long term investments | (35) | (46) | 185
Comprehensive income | $ 17,937 | $ 17,119 | $ 16,844
Net income per common share: |  |  |
Basic (in dollars per share) | $ 0.90 | $ 0.86 | $ 0.81
Diluted (in dollars per share) | $ 0.90 | $ 0.86 | $ 0.80
Weighted average number of common shares outstanding: |  |  |
Basic (in shares) | 19,901 | 19,926 | 20,613
Diluted (in shares) | 20,043 | 20,049 | 20,708
Cash dividends declared per common share | $ 0.66 | $ 1.60 | $ 0.53

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