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CONSOLIDATED QUARTERLY FINANCIAL DATA (UNAUDITED) | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Data [Abstract] |
CONSOLIDATED QUARTERLY FINANCIAL DATA |
13. | CONSOLIDATED QUARTERLY FINANCIAL DATA (UNAUDITED)
The following is a summary of the unaudited quarterly results of operations for fiscal years 2016, 2015 and 2014 (dollars in thousands, except per share amounts):
|  | First |  | Second |  | Third |  | Fourth |
|  | Quarter |  | Quarter |  | Quarter |  | Quarter |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 447,676 |  | $ | 471,439 |  | $ | 464,272 |  | $ | 462,057 |
Gross profit |  |  | 79,526 |  |  | 91,064 |  |  | 83,459 |  |  | 71,485 |
Net income |  |  | 27,523 |  |  | 35,532 |  |  | 33,378 |  |  | 23,000 |
Basic net income per share(1) |  |  | 0.42 |  |  | 0.55 |  |  | 0.52 |  |  | 0.37 |
Diluted net income per share(1) |  |  | 0.42 |  |  | 0.53 |  |  | 0.51 |  |  | 0.36 |
2015 |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 437,597 |  | $ | 514,831 |  | $ | 531,350 |  | $ | 543,711 |
Gross profit |  |  | 57,197 |  |  | 72,405 |  |  | 86,022 |  |  | 87,819 |
Net income |  |  | 10,474 |  |  | 28,649 |  |  | 31,880 |  |  | 33,286 |
Basic net income per share(1) |  |  | 0.15 |  |  | 0.42 |  |  | 0.48 |  |  | 0.50 |
Diluted net income per share(1) |  |  | 0.15 |  |  | 0.41 |  |  | 0.47 |  |  | 0.50 |
2014 |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 358,120 |  | $ | 486,021 |  | $ | 491,697 |  | $ | 527,477 |
Gross profit |  |  | 46,672 |  |  | 61,613 |  |  | 61,628 |  |  | 62,721 |
Net income |  |  | 7,296 |  |  | 16,239 |  |  | 18,307 |  |  | 19,088 |
Basic net income per share(1) |  |  | 0.11 |  |  | 0.23 |  |  | 0.26 |  |  | 0.28 |
Diluted net income per share(1) |  |  | 0.10 |  |  | 0.23 |  |  | 0.25 |  |  | 0.27 |
| (1) | Basic and diluted net income per share is computed independently for each of the quarters presented. Therefore, the sum of the quarterly net income per share may differ from annual net income per share due to rounding.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1570-108306 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305 + Details
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