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SELECTED QUARTERLY INFORMATION (UNAUDITED) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
SELECTED QUARTERLY INFORMATION (UNAUDITED) | 17. SELECTED QUARTERLY INFORMATION (UNAUDITED)
(in thousands, except per share amounts) | 2018
1st Quarter |  | 2nd Quarter |  | 3rd Quarter |  | 4th Quarter
Revenue | $ | 235,182 |  |  | $ | 196,779 |  |  | $ | 203,263 |  |  | $ | 256,357 |
Gross profit | $ | 159,568 |  |  | $ | 122,962 |  |  | $ | 128,840 |  |  | $ | 178,446 |
Income (loss) from operations | $ | 7,936 |  |  | $ | (23,163 | ) |  | $ | (17,258 | ) |  | $ | 15,453 |
Net income (loss) | $ | 12,200 |  |  | $ | (10,409 | ) |  | $ | (7,587 | ) |  | $ | 16,413 |
Earnings (loss) per share: |  |  |  |  |  |  |
Basic | $ | 0.16 |  |  | $ | (0.13 | ) |  | $ | (0.10 | ) |  | $ | 0.21 |
Diluted | $ | 0.15 |  |  | $ | (0.13 | ) |  | $ | (0.10 | ) |  | $ | 0.20 |
(in thousands, except per share amounts) | 2017
1st Quarter |  | 2nd Quarter |  | 3rd Quarter |  | 4th Quarter
Revenue | $ | 256,309 |  |  | $ | 186,596 |  |  | $ | 190,957 |  |  | $ | 254,605 |
Gross profit | $ | 188,219 |  |  | $ | 118,721 |  |  | $ | 121,226 |  |  | $ | 180,628 |
Income (loss) from operations | $ | 65,907 |  |  | $ | (8,947 | ) |  | $ | (2,301 | ) |  | $ | 38,518 |
Net income | $ | 52,963 |  |  | $ | 3,702 |  |  | $ | 1,288 |  |  | $ | 40,595 |
Earnings per share: |  |  |  |  |  |  |
Basic | $ | 0.69 |  |  | $ | 0.05 |  |  | $ | 0.01 |  |  | $ | 0.52 |
Diluted | $ | 0.65 |  |  | $ | 0.04 |  |  | $ | 0.01 |  |  | $ | 0.49 |

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- References No definition available. + Details
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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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