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Quarterly Financial Data (Tables) | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Data [Abstract] |
Schedule Of Quarterly Financial Information |
|  | 2020 Quarter |
(in thousands, except per share data) |  | 1st |  |  | 2nd |  |  | 3rd |  |  | 4th |
Sales |  | $ | 514,964 |  |  | $ | 490,966 |  |  | $ | 525,951 |  |  | $ | 521,250 |
Gross profit |  |  | 43,361 |  |  |  | 34,672 |  |  |  | 46,354 |  |  |  | 50,661 |
Net income (loss) |  |  | 3,852 |  |  |  | (3,407 | ) |  |  | 5,915 |  |  |  | 7,695 |
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 0.10 |  |  |  | (0.09 | ) |  |  | 0.16 |  |  |  | 0.21 |
Diluted |  |  | 0.10 |  |  |  | (0.09 | ) |  |  | 0.16 |  |  |  | 0.21 |
|  | 2019 Quarter |
(in thousands, except per share data) |  | 1st |  |  | 2nd |  |  | 3rd |  |  | 4th |
Sales |  | $ | 602,820 |  |  | $ | 601,602 |  |  | $ | 555,229 |  |  | $ | 508,444 |
Gross profit |  |  | 50,037 |  |  |  | 49,223 |  |  |  | 48,955 |  |  |  | 37,313 |
Net income (loss) |  |  | 13,773 |  |  |  | 9,447 |  |  |  | 7,136 |  |  |  | (6,931 | )
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | 0.34 |  |  |  | 0.25 |  |  |  | 0.19 |  |  |  | (0.19 | )
Diluted |  |  | 0.34 |  |  |  | 0.24 |  |  |  | 0.19 |  |  |  | (0.19 | )
|  | 2018 Quarter |
(in thousands, except per share data) |  | 1st |  |  | 2nd |  |  | 3rd |  |  | 4th |
Sales |  | $ | 608,136 |  |  | $ | 660,591 |  |  | $ | 640,688 |  |  | $ | 657,050 |
Gross profit |  |  | 54,200 |  |  |  | 50,548 |  |  |  | 48,995 |  |  |  | 52,093 |
Net income (loss) |  |  | (23,641 | ) |  |  | 10,943 |  |  |  | 7,799 |  |  |  | 27,716 |
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  | (0.49 | ) |  |  | 0.23 |  |  |  | 0.17 |  |  |  | 0.64 |
Diluted |  |  | (0.49 | ) |  |  | 0.23 |  |  |  | 0.17 |  |  |  | 0.64 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306 + Details
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