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Consolidated Statements of Comprehensive Income $ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 TWD ($) $ / shares | Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 TWD ($) $ / shares | Dec. 31, 2021 TWD ($) $ / shares
Statement of comprehensive income [abstract] |  |  |  |
Operating revenues | $ 222,533,000 | $ 7,267,570 | $ 278,705,264 | $ 213,011,018
Operating costs | (144,789,162) | (4,728,581) | (152,940,887) | (140,961,389)
Gross profit | 77,743,838 | 2,538,989 | 125,764,377 | 72,049,629
Operating expenses |  |  |  |
Sales and marketing expenses | (3,225,154) | (105,328) | (4,182,929) | (4,671,599)
General and administrative expenses | (7,477,037) | (244,188) | (9,672,613) | (7,989,860)
Research and development expenses | (13,283,830) | (433,829) | (12,953,534) | (12,934,836)
Expected credit impairment gains (losses) | 130,518 | 4,263 | (2,723) | 6,121
Subtotal | (23,855,503) | (779,082) | (26,811,799) | (25,590,174)
Net other operating income and expenses | 4,002,326 | 130,709 | 5,339,647 | 5,226,831
Operating income | 57,890,661 | 1,890,616 | 104,292,225 | 51,686,286
Non-operating income and expenses |  |  |  |
Interest income | 4,853,124 | 158,495 | 2,022,314 | 575,719
Other income | 1,773,498 | 57,920 | 2,163,043 | 1,653,006
Other gains and losses | 223,096 | 7,286 | (1,134,540) | 866,130
Finance costs | (1,570,374) | (51,286) | (1,866,329) | (1,962,930)
Share of profit or loss of associates and joint ventures | 4,307,614 | 140,680 | 1,626,103 | 5,193,495
Bargain purchase gain in acquisition of equity investee | 494,001 | 16,133 | 0 | 0
Exchange gain, net | 478,784 | 15,636 | 2,522,844 | 484,726
Subtotal | 10,559,743 | 344,864 | 5,333,435 | 6,810,146
Income from continuing operations before income tax | 68,450,404 | 2,235,480 | 109,625,660 | 58,496,432
Income tax expense | (8,311,270) | (271,433) | (19,326,895) | (7,918,252)
Net income | 60,139,134 | 1,964,047 | 90,298,765 | 50,578,180
Items that will not be reclassified subsequently to profit or loss |  |  |  |
Remeasurements of defined benefit pension plans | 402,234 | 13,136 | 296,804 | (197,477)
Unrealized gains or losses from equity instruments investments measured at fair value through other comprehensive income | 5,530,359 | 180,612 | (4,646,064) | 5,811,342
Share of other comprehensive income (loss) of associates and joint ventures which will not be reclassified subsequently to profit or loss | 1,610,116 | 52,584 | (1,694,965) | 2,959,130
Income tax related to items that will not be reclassified subsequently | (414,395) | (13,533) | (6,999) | (417,076)
Subtotal | 7,128,314 | 232,799 | (6,051,224) | 8,155,919
Items that may be reclassified subsequently to profit or loss |  |  |  |
Exchange differences on translation of foreign operations | (2,386,278) | (77,932) | 9,292,308 | (4,741,016)
Share of other comprehensive income (loss) of associates and joint ventures which may be reclassified subsequently to profit or loss | (74,418) | (2,430) | 91,442 | (24,412)
Income tax related to items that may be reclassified subsequently | 390,428 | 12,751 | 859,566 | 29,938
Subtotal | (2,070,268) | (67,611) | 10,243,316 | (4,735,490)
Total other comprehensive income (loss) | 5,058,046 | 165,188 | 4,192,092 | 3,420,429
Total comprehensive income (loss) | 65,197,180 | 2,129,235 | 94,490,857 | 53,998,609
Net income (loss) attributable to: |  |  |  |
Shareholders of the parent | 59,688,950 | 1,949,345 | 89,478,805 | 51,246,425
Non-controlling interests | 450,184 | 14,702 | 819,960 | (668,245)
Net income | 60,139,134 | 1,964,047 | 90,298,765 | 50,578,180
Comprehensive income (loss) attributable to: |  |  |  |
Shareholders of the parent | 64,747,010 | 2,114,533 | 93,670,889 | 54,666,873
Non-controlling interests | 450,170 | 14,702 | 819,968 | (668,264)
Total comprehensive income (loss) | $ 65,197,180 | $ 2,129,235 | $ 94,490,857 | $ 53,998,609
Earnings per share (NTD) |  |  |  |
Earnings per share-basic | (per share) | $ 4.92 | $ 0.16 | $ 7.4 | $ 4.27
Earnings per share-diluted | (per share) | $ 4.82 | $ 0.16 | $ 7.16 | $ 4.19

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Balance Type: | na
Period Type: | duration