| Non-controlling interests |
| For the Year Ended December 31 | ||||||||||||||||
| 2015 |
2016
(Retrospectively Adjusted)
|
2017 | ||||||||||||||
| NT$ | NT$ | NT$ | US$ (Note 4) | |||||||||||||
| Balance at January 1 | $ | 8,209,860 | $ | 11,492,545 | $ | 12,000,551 | $ | 404,877 | ||||||||
| Attributable to Non-controlling interests: | ||||||||||||||||
| Share of profit for the year (Note 28) | 968,567 | 1,253,438 | 1,677,941 | 56,611 | ||||||||||||
| Exchange difference on translating foreign operations | (74,968 | ) | (601,787 | ) | (334,920 | ) | (11,300 | ) | ||||||||
| Unrealized gain on available-for-sale financial assets | 3,928 | 1,129 | 5,763 | 194 | ||||||||||||
(Continued)
| For the Year Ended December 31 | ||||||||||||||||
| 2015 |
2016
(Retrospectively Adjusted)
|
2017 | ||||||||||||||
| NT$ | NT$ | NT$ | US$ (Note 4) | |||||||||||||
| Defined benefit plan actuarial gains (losses) | $ | (3,440 | ) | $ | 8,846 | $ | (13,724 | ) | $ | (463 | ) | |||||
| Non-controlling interests arising from acquisition of subsidiaries (Note 28) | - | 42,857 | - | - | ||||||||||||
| Partial disposal of subsidiaries (Note 30) | 1,712,836 | 26,436 | (3,055 | ) | (103 | ) | ||||||||||
| Repurchase of outstanding ordinary shares of subsidiaries (Note 30) | - | (912,886 | ) | - | - | |||||||||||
| Spin-off of subsidiaries | 3,006 | - | - | - | ||||||||||||
| Non-controlling interest relating to outstanding vested employee share options held by the employees of subsidiaries | 904,904 | 927,823 | 263,213 | 8,880 | ||||||||||||
| Non-controlling interest relating to outstanding expired employee share options | - | - | (159,200 | ) | (5,371 | ) | ||||||||||
| Cash dividends to non-controlling interests | (232,148 | ) | (237,850 | ) | (246,440 | ) | (8,314 | ) | ||||||||
| Balance at December 31 | $ | 11,492,545 | $ | 12,000,551 | $ | 13,190,129 | $ | 445,011 | ||||||||