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Expenses by nature (Tables)

12 Months Ended

Dec. 31, 2021

Analysis of income and expense [abstract]

Summary of Expenses by nature

		Year ended December 31,
		2019				2020				2021
		NT$000				NT$000				NT$000
Raw materials and supplies used			3,575,283				4,708,493				5,518,145
Employee benefit expenses			6,075,773				6,010,227				6,757,888
Depreciation expenses			3,731,914				4,175,519				4,634,112
Others			4,590,720				4,686,218				5,053,088
			17,973,690				19,580,457				21,963,233

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- Definition

The disclosure of expenses by nature. [Refer: Expenses, by nature]

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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