Basis of preparation of the financial statements (Tables)

12 Months Ended

Dec. 31, 2017

Corporate Information And Statement Of IFRS Compliance [Abstract]

Disclosure of exchange rates used for currency translation

The following exchange rates were used for currency translation:

EUR 1 equivalent to	Annual average exchange rate			Closing rate as at Dec 31,
	2017	2016	2015	2017	2016
U.S. Dollar (USD)	1.1297	1.1069	1.1130	1.1993	1.0541
Pound Sterling (GBP)	0.8767	0.8195	0.7284	0.8872	0.8562
Japanese Yen (JPY)	126.7112	120.1967	134.5231	135.0100	123.4000
Swedish Krona (SEK)	9.6351	9.4689	9.3414	9.8438	9.5525
Singapore Dollar (SGD)	1.5588	1.5275	1.5288	1.6024	1.5234
South African Rand (ZAR)	15.0490	16.2645	14.2616	14.8054	14.4570
Polish Zloty (PLN)	4.2570	4.3632	4.1909	4.1770	4.4103
Brazilian Real (BRL)	3.6054	3.8561	3.7024	3.9729	3.4305
South Korean Won (KRW)	1,276.7381	1,284.1811	1,259.6731	1,279.6100	1,269.3600
Chinese Renminbi (CNY)	7.6290	7.3522	6.9924	7.8044	7.3202

Disclosure of asset residual values and useful lives

In years
Buildings	5-50
Plant and machinery	3-25
Furniture, fixtures and office equipment	3-25

Property, plant and equipment developed as follows:

	In EUR k
Cost	Land		Land rights and buildings		Plant and machinery		Other equipment, furniture and fixtures		Prepayments and constructions in progress		Total
As at January 1, 2016	42,076		80,850		429,726		18,581		32,942		604,175
Currency translation	802		4,225		14,094		364		1,023		20,508
Additions	220		978		33,015		2,440		21,112		57,765
Disposals	—		(281	)	(2,410	)	(224	)	(550	)	(3,465	)
Reclassifications	270		(586	)	22,116		699		(22,499	)	—
As at December 31, 2016	43,368		85,186		496,541		21,860		32,028		678,983
As at January 1, 2017	43,368		85,186		496,541		21,860		32,028		678,983
Currency translation	(1,313	)	(4,594	)	(27,248	)	(564	)	(1,293	)	(35,012	)
Additions	6		2,167		57,190		1,665		26,037		87,065
Disposals	(104	)	(721	)	(8,567	)	(2,006	)	(179	)	(11,577	)
Reclassifications	149		615		15,775		1,271		(17,810	)	—
As at December 31, 2017	42,106		82,653		533,691		22,226		38,783		719,459

	In EUR k
Depreciation	Land	Land rights and buildings		Plant and machinery		Other equipment, furniture and fixtures		Prepayments and constructions in progress	Total
As at January 1, 2016	—	22,026		184,408		11,885		—	218,319
Currency translation	—	1,312		5,415		217		—	6,944
Depreciation expense	—	4,622		51,346		2,496		—	58,464
Impairment Segment Restructuring	446	1,107		8,546		171		20	10,290
Disposals	—	(310	)	(2,225	)	(226	)	—	(2,761	)
As at December 31, 2016	446	28,757		247,490		14,543		20	291,256
As at January 1, 2017	446	28,757		247,490		14,543		20	291,256
Currency translation	—	(1,242	)	(12,621	)	(368	)	—	(14,231	)
Depreciation expense	—	5,776		59,122		2,969		—	67,867
Reversal of Impairment Segment Restructuring	—	—		(972	)	—		—	(972	)
Disposals	—	(353	)	(7,444	)	(1,996	)	—	(9,793	)
Reclassifications	—	(3	)	20		(17	)	—	—
As at December 31, 2017	446	32,935		285,595		15,131		20	334,127

	In EUR k
Carrying amount	Land	Land rights and buildings	Plant and machinery	Other equipment, furniture and fixtures	Prepayments and constructions in progress	Total
As at December 31, 2016	42,922	56,429	249,051	7,317	32,008	387,727
As at December 31, 2017	41,660	49,718	248,096	7,095	38,763	385,332

The expected remaining depreciation per useful life range of the existing assets as at December 31, 2017 is as follows:

	In EUR k
Depreciation per useful life range	0-5 years	6-10 years	11-20 years	21 years and beyond	Total
Land rights and buildings	20,307	12,930	10,906	5,575	49,718
Plant and machinery	169,884	62,859	15,353	—	248,096
Other equipment, furniture and fixtures	6,058	951	86	—	7,095