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v3.3.1.900

Quarterly Results of Operations (UNAUDITED) (Results of Operations) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales | [1] |  |  |  |  |  |  |  |  | $ 641,443 | $ 610,911 | $ 537,482
Gross margin |  |  |  |  |  |  |  |  |  | 235,362 | 234,753 | 188,537
Income (loss) from continuing operations |  |  |  |  |  |  |  |  |  | $ 46,320 | $ 53,412 | $ 38,203
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic income from continuing operations (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 2.52 | $ 2.94 | $ 2.22
Diluted income from continuing operationss (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 2.48 | $ 2.86 | $ 2.15
Scenario, Previously Reported |  |  |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 152,928 | $ 160,366 | $ 163,098 | $ 165,051 | $ 147,724 | $ 163,052 | $ 153,495 | $ 146,640 |  |  |
Gross margin |  | 52,604 | 59,530 | 60,589 | 62,355 | 58,335 | 64,548 | 57,138 | 53,919 |  |  |
Income (loss) from continuing operations |  | $ 6,577 | $ 12,455 | $ 13,540 | $ 13,627 | $ 7,013 | $ 20,388 | $ 10,902 | $ 14,580 |  |  |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic income from continuing operations (in dollars per share) |  | $ 0.37 | $ 0.68 | $ 0.73 | $ 0.74 | $ 0.38 | $ 1.12 | $ 0.60 | $ 0.81 |  |  |
Diluted income from continuing operationss (in dollars per share) |  | $ 0.37 | $ 0.67 | $ 0.71 | $ 0.72 | $ 0.37 | $ 1.09 | $ 0.58 | $ 0.79 |  |  |
Change from LIFO to FIFO |  |  |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 152,928 | $ 160,366 | $ 163,098 | $ 165,051 | $ 147,724 | $ 163,052 | $ 153,495 | $ 146,640 |  |  |
Gross margin |  | 52,604 | 59,672 | 60,661 | 62,425 | 58,695 | 64,576 | 57,376 | 54,107 |  |  |
Income (loss) from continuing operations |  | $ 6,577 | $ 12,546 | $ 13,554 | $ 13,643 | $ 7,247 | $ 20,407 | $ 11,056 | $ 14,702 |  | $ 53,412 | $ 38,203
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic income from continuing operations (in dollars per share) |  | $ 0.37 | $ 0.68 | $ 0.73 | $ 0.74 | $ 0.40 | $ 1.12 | $ 0.61 | $ 0.82 |  |  |
Diluted income from continuing operationss (in dollars per share) |  | $ 0.37 | $ 0.67 | $ 0.71 | $ 0.72 | $ 0.39 | $ 1.09 | $ 0.59 | $ 0.79 |  |  |
Change from LIFO to FIFO | Scenario, Previously Reported |  |  |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  |  |  |  |  |  |  |  |  |  | $ 52,883 | $ 37,659
[1] | Net sales are allocated to countries based on the location of the customer.

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