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Cost of sales (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure Of Cost Of Sales [Abstract]

Summary of Cost of Sales

Cost of sales is analysed as follows:

		2020				2019				2018
Opening inventories			69,685				84,227				91,077
Purchases of raw materials			105,643				122,728				158,172
Purchases of finished products			15,161				16,477				19,419
Labour costs			71,937				86,209				89,827
Third party manufacturers costs			2,829				3,919				6,039
Other manufacturing costs			24,997				29,519				29,004
Government grants related to PPE			(1,192	)			(1,463	)			(1,061	)
Closing inventories			(63,909	)			(69,685	)			(84,227	)
Total			225,151				271,931				308,250