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Quarterly Unaudited Financial Data | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
QUARTERLY UNAUDITED FINANCIAL DATA | QUARTERLY UNAUDITED FINANCIAL DATA GIBRALTAR INDUSTRIES, INC. QUARTERLY UNAUDITED FINANCIAL DATA (in thousands, except per share data)
| 2019 Quarters Ended
| March 31 |  | June 30 |  | September 30 |  | December 31 |  | Total
Net sales | $ | 227,417 |  |  | $ | 262,655 |  |  | $ | 299,236 |  |  | $ | 258,131 |  |  | $ | 1,047,439 |
Gross profit | $ | 43,900 |  |  | $ | 63,558 |  |  | $ | 76,578 |  |  | $ | 60,855 |  |  | $ | 244,891 |
Income from operations | $ | 10,566 |  |  | $ | 26,606 |  |  | $ | 31,420 |  |  | $ | 19,247 |  |  | $ | 87,839 |
Interest expense (income) | $ | 2,061 |  |  | $ | 219 |  |  | $ | 17 |  |  | $ | (92 | ) |  | $ | 2,205 |
Net income from continuing operations | $ | 6,345 |  |  | $ | 19,913 |  |  | $ | 24,476 |  |  | $ | 14,357 |  |  | $ | 65,091 |
Total net income | $ | 6,345 |  |  | $ | 19,913 |  |  | $ | 24,476 |  |  | $ | 14,357 |  |  | $ | 65,091 |
Income per share from continuing operations: |  |  |  |  |  |  |  |
Basic | $ | 0.20 |  |  | $ | 0.62 |  |  | $ | 0.75 |  |  | $ | 0.44 |  |  | $ | 2.01 |
Diluted | $ | 0.19 |  |  | $ | 0.61 |  |  | $ | 0.75 |  |  | $ | 0.44 |  |  | $ | 1.99 |
| 2018 Quarters Ended
| March 31 |  | June 30 |  | September 30 |  | December 31 |  | Total
Net sales | $ | 215,337 |  |  | $ | 266,036 |  |  | $ | 280,086 |  |  | $ | 240,913 |  |  | $ | 1,002,372 |
Gross profit | $ | 48,318 |  |  | $ | 70,503 |  |  | $ | 70,279 |  |  | $ | 53,260 |  |  | $ | 242,360 |
Income from operations | $ | 13,843 |  |  | $ | 32,274 |  |  | $ | 29,404 |  |  | $ | 18,447 |  |  | $ | 93,968 |
Interest expense | $ | 3,269 |  |  | $ | 3,130 |  |  | $ | 2,906 |  |  | $ | 2,759 |  |  | $ | 12,064 |
Net income from continuing operations | $ | 8,352 |  |  | $ | 22,837 |  |  | $ | 19,503 |  |  | $ | 13,117 |  |  | $ | 63,809 |
Total net income | $ | 8,352 |  |  | $ | 22,837 |  |  | $ | 19,503 |  |  | $ | 13,117 |  |  | $ | 63,809 |
Income per share from continuing operations: |  |  |  |  |  |  |  |
Basic | $ | 0.26 |  |  | $ | 0.72 |  |  | $ | 0.61 |  |  | $ | 0.41 |  |  | $ | 2.00 |
Diluted | $ | 0.26 |  |  | $ | 0.70 |  |  | $ | 0.60 |  |  | $ | 0.40 |  |  | $ | 1.96 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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