Quarterly Financial Information [Table Text Block] |
| | Quarter Ended | | | | September 30 | | | December 31 | | | March 31 | | | June 30 | | | | | | | | | | | | | | | | | | | Net Sales | | $ | 181,302 | | | $ | 198,481 | | | $ | 181,419 | | | $ | 205,582 | | Gross profit | | | 100,323 | | | | 107,791 | | | | 96,708 | | | | 111,142 | | Net income | | | 7,415 | | | | 14,862 | | | | 2,616 | | | | 11,478 | | Earnings per basic share | | | 0.27 | | | | 0.54 | | | | 0.10 | | | | 0.43 | | Earnings per diluted share | | | 0.27 | | | | 0.54 | | | | 0.09 | | | | 0.42 | | Dividends declared per common share | | | 0.19 | | | | 0.50 | | | | 0.19 | | | | 0.19 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Net Sales | | $ | 193,287 | | | $ | 194,672 | | | $ | 180,501 | | | $ | 194,925 | | Gross profit | | | 108,467 | | | | 108,124 | | | | 94,735 | | | | 108,397 | | Net income | | | 11,529 | | | | 10,700 | | | | 2,282 | | | | 11,683 | | Earnings per basic share | | | 0.42 | | | | 0.39 | | | | 0.08 | | | | 0.42 | | Earnings per diluted share | | | 0.41 | | | | 0.38 | | | | 0.08 | | | | 0.42 | | Dividends declared per common share | | | 0.17 | | | | 0.19 | | | | 0.19 | | | | 0.19 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Net Sales | | $ | 190,391 | | | $ | 207,535 | | | $ | 190,583 | | | $ | 205,693 | | Gross profit | | | 104,673 | | | | 116,058 | | | | 105,717 | | | | 115,788 | | Net income | | | 13,147 | | | | 16,534 | | | | 10,178 | | | | 16,778 | | Earnings per basic share | | | 0.46 | | | | 0.58 | | | | 0.37 | | | | 0.60 | | Earnings per diluted share | | | 0.46 | | | | 0.58 | | | | 0.36 | | | | 0.60 | | Dividends declared per common share | | | 0.14 | | | | 0.14 | | | | 0.17 | | | | 0.17 | |
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