Annual report pursuant to Section 13 and 15(d)

Note 16 - Selected Quarterly Financial Data (Unaudited) (Details) - Selected Financial Data

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Note 16 - Selected Quarterly Financial Data (Unaudited) (Details) - Selected Financial Data (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Selected Financial Data [Abstract]                              
Net Sales (in Dollars) $ 182,251 $ 168,144 $ 191,251 $ 187,437 $ 185,316 $ 175,861 $ 183,275 $ 184,921 $ 177,952 $ 162,822 $ 173,345 $ 164,841 $ 729,083 $ 729,373 $ 678,960
Gross profit (in Dollars) 98,344 91,785 103,967 104,253 99,909 94,275 98,219 97,885 94,149 83,069 89,861 82,381 398,349 390,288 349,460
Net income (in Dollars) $ 8,194 $ 4,374 $ 9,846 $ 10,064 $ 7,299 $ 27,548 $ 8,077 $ 6,770 $ 7,175 $ 3,518 $ 14,744 $ 3,813 $ 32,478 $ 49,694 $ 29,250
Earnings per basic share $ 0.28 $ 0.15 $ 0.34 $ 0.35 $ 0.25 $ 0.95 $ 0.28 $ 0.24 $ 0.25 $ 0.12 $ 0.51 $ 0.13 $ 1.13 $ 1.72 $ 1.02
Earnings per diluted share $ 0.28 $ 0.15 $ 0.34 $ 0.35 $ 0.25 $ 0.94 $ 0.28 $ 0.23 $ 0.25 $ 0.12 $ 0.51 $ 0.13 $ 1.11 $ 1.71 $ 1.01
Dividends declared per common share $ 0.09 $ 0.09 $ 0.50 $ 0.09 $ 0.09 $ 0.07 $ 0.07 $ 0.07 $ 0.07 $ 0.05 $ 0.05 $ 0.05 $ 0.77 $ 0.30 $ 0.22