Statement Of Financial Position [Abstract]

Stef Group - Filing #2821459

Concept	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31	As at 2018-12-31
Statement of financial position [abstract]
Assets [abstract]
Property, plant and equipment	—	—	—	—	—	—	—	—	1 303 673 EUR	—	—	—	—	1 202 826 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Goodwill	—	—	—	—	—	—	—	—	206 177 EUR	—	—	—	—	203 824 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Intangible assets other than goodwill	—	—	—	—	—	—	—	—	13 779 EUR	—	—	—	—	18 081 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Investments accounted for using equity method	—	—	—	—	—	—	—	—	48 583 EUR	—	—	—	—	28 824 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Deferred tax assets	—	—	—	—	—	—	—	—	8 502 EUR	—	—	—	—	6 037 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Cash and cash equivalents	—	—	—	—	—	—	—	—	54 413 EUR	—	—	—	—	61 199 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Assets	—	—	—	—	—	—	—	—	2 640 103 EUR	—	—	—	—	2 545 410 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities [abstract]
Equity [abstract]
Issued capital	—	—	—	—	—	—	—	—	13 000 EUR	—	—	—	—	13 000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Share premium	—	—	—	—	—	—	—	—	0 EUR	—	—	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity attributable to owners of parent	—	—	—	—	—	—	—	—	816 914 EUR	—	—	—	—	759 266 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Non-controlling interests	—	—	—	—	—	—	—	—	863,000 EUR	—	—	—	—	1 478 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity	846 046 EUR	863,000 EUR	3 585 EUR	816 914 EUR	13 000 EUR	38 923 EUR	375,000 EUR	0 EUR	817 776 EUR	759 266 EUR	1 478 EUR	256,000 EUR	0 EUR	760 743 EUR	789 631 EUR	39 454 EUR	4 167 EUR	13 000 EUR	738,000 EUR	0 EUR	1 894 EUR	693 140 EUR	40 538 EUR	695 034 EUR	4 122 EUR	13 166 EUR	725 372 EUR
Liabilities [abstract]
Deferred tax liabilities	—	—	—	—	—	—	—	—	21 130 EUR	—	—	—	—	16 188 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—
Equity and liabilities	—	—	—	—	—	—	—	—	2 640 103 EUR	—	—	—	—	2 545 410 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—