Adjusted cash price per ordinary share.

No definition available.

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- Definition

Significant unobservable inputs discount rate.

+ References

No definition available.

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2019-01-01
-Paragraph B64
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2019-03-27

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- Definition

The profit (loss) of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2019-01-01
-Paragraph B64
-Subparagraph q
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B64_q_ii&doctype=Appendix&subtype=B
-URIDate 2019-03-27

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- Definition

The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2019-01-01
-Paragraph 12
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_12_c&doctype=Standard
-URIDate 2019-03-27

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- Definition

The revenue of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Revenue]

+ References

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Business Combinations - Additional Information (Detail) $ / shares in Units, $ in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2018 $ / shares	Dec. 31, 2019 TWD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 TWD ($)	Dec. 31, 2018 USD ($)
Disclosure of subsidiaries [Line Items]
Significant unobservable inputs discount rate		31.00%	31.00%
Revenue from continuing operations		$ 413,782,708	$ 13,834,260	$ 397,261,461
Profit from continuing operations		$ 18,030,506		$ 25,687,447	$ 602,825
Call option on the remaining non-controlling interests		40.00%	40.00%
Siliconware Precision Industries Co., Ltd. [member]
Disclosure of subsidiaries [Line Items]
Percentage of shareholdings acquired by subsidiary		100.00%	100.00%
Cash consideration	$ 51.2
UGPL [Member]
Disclosure of subsidiaries [Line Items]
Percentage of shareholdings acquired by subsidiary		60.00%	60.00%