Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-01-01 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
34 852
PLN
|
31 139
PLN
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
1 557
PLN
|
2 269
PLN
|
— |
| Investment property [abstract] | |||
| Investment property |
0
PLN
|
5 073
PLN
|
— |
| Trade and other non-current receivables [abstract] | |||
| Non-current prepayments and non-current accrued income other than non-current contract assets [abstract] | |||
| Non-current prepayments |
5 369
PLN
|
1 483
PLN
|
— |
| Non-current prepayments and non-current accrued income including non-current contract assets [abstract] | |||
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
337 291
PLN
|
338 884
PLN
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current advances to suppliers |
12 144
PLN
|
7 376
PLN
|
— |
| Current prepaid expenses |
5 378
PLN
|
4 555
PLN
|
— |
| Current receivables from taxes other than income tax |
5 622
PLN
|
1 829
PLN
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
267 483
PLN
|
281 404
PLN
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
20 654
PLN
|
15 728
PLN
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
183 289
PLN
|
273 683
PLN
|
154 513
PLN
|
| Borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
206 480
PLN
|
253 314
PLN
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Trade and other non-current payables [abstract] | |||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current contract liabilities [abstract] | |||
| Non-current contract liabilities |
30 114
PLN
|
35 416
PLN
|
— |
| Non-current retention payables |
44 556
PLN
|
35 692
PLN
|
— |
| Trade and other current payables [abstract] | |||
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current contract liabilities [abstract] | |||
| Current contract liabilities |
122 298
PLN
|
136 597
PLN
|
— |
| Accruals classified as current |
184 497
PLN
|
158 772
PLN
|
— |
| Short-term employee benefits accruals |
9 009
PLN
|
9 117
PLN
|
— |
| Trade and other payables [abstract] | |||
| Trade payables |
201 721
PLN
|
265 342
PLN
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
39 360
PLN
|
35 245
PLN
|
— |
| Issued capital [abstract] | |||
| Issued capital |
44 801
PLN
|
44 801
PLN
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
334 021
PLN
|
344 115
PLN
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
652,000
PLN
|
858,000
PLN
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
963 164
PLN
|
1 035 884
PLN
|
— |
| Liabilities |
906 901
PLN
|
985 976
PLN
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
832 459
PLN
|
923 463
PLN
|
— |
| Current liabilities |
794 633
PLN
|
882 409
PLN
|
— |
| Assets less current liabilities [abstract] |