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Consolidated Statements of INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Consolidated Statements of OPERATIONS [Abstract] |  |  |
Net sales | $ 670,073 | $ 620,903 | $ 620,331
Cost of goods sold | 318,038 | 300,187 | 301,564
Gross profit | 352,035 | 320,716 | 318,767
Credit service charges | 293 | 460 | 717
Gross profit and other revenue | 352,328 | 321,176 | 319,484
Expenses: |  |  |
Selling, general and administrative | 328,826 | 315,865 | 311,897
Interest, net | 624 | 737 | 815
Provision for doubtful accounts | 165 | 167 | 380
Other income, net | (803) | (196) | (2,281)
Total expenses | 328,812 | 316,573 | 310,811
Income before income taxes | 23,516 | 4,603 | 8,673
Income tax expense (benefit) | 8,605 | (10,860) | 229
Net income | 14,911 | 15,463 | 8,444
Common Stock [Member] |  |  |
Expenses: |  |  |
Net income | 13,199 | 13,249 | 7,138
Basic earnings per share: |  |  |
Common Stock (in dollars per share) | $ 0.69 | $ 0.71 | $ 0.39
Diluted earnings per share: |  |  |
Common Stock (in dollars per share) | $ 0.67 | $ 0.70 | $ 0.38
Basic weighted average common shares outstanding: |  |  |
Common Stock (in shares) | 19,096 | 18,633 | 18,156
Diluted weighted average common shares outstanding: |  |  |
Common Stock (in shares) | 22,382 | 22,153 | 21,970
Class A Common Stock [Member] |  |  |
Expenses: |  |  |
Net income | $ 1,712 | $ 2,214 | $ 1,306
Basic earnings per share: |  |  |
Common Stock (in dollars per share) | $ 0.58 | $ 0.67 | $ 0.37
Diluted earnings per share: |  |  |
Common Stock (in dollars per share) | $ 0.59 | $ 0.67 | $ 0.36
Basic weighted average common shares outstanding: |  |  |
Common Stock (in shares) | 2,943 | 3,287 | 3,563
Diluted weighted average common shares outstanding: |  |  |
Common Stock (in shares) | 2,943 | 3,287 | 3,563

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