Statement Of Changes In Equity [Abstract]

Kingspan Group Plc - Filing #5615151

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Dividends recognised as distributions to owners of parent	- EUR	- EUR	96,600,000 EUR	- EUR	- EUR	- EUR	- EUR	96,600,000 EUR	- EUR	- EUR	96,600,000 EUR	- EUR	- EUR	- EUR	- EUR	91,200,000 EUR	- EUR	91,200,000 EUR	- EUR	- EUR	91,200,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR
Dividends recognised as distributions to non-controlling interests	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	1,000,000 EUR	1,000,000 EUR	- EUR	- EUR	- EUR	- EUR	900,000 EUR	- EUR	- EUR	- EUR	0 .9 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR
Increase (decrease) through exercise of options, equity	3. 6 EUR	- EUR	- EUR	- EUR	23 .9 EUR	- EUR	- EUR	12,800,000 EUR	- EUR	- EUR	- EUR	14,700,000 EUR	- EUR	- EUR	1,800,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	1,000,000 EUR	16,900,000 EUR	- EUR	- EUR	- EUR	19 .7 EUR	- EUR
Decrease (increase) through tax on share-based payment transactions, equity	- EUR	- EUR	0. 2 EUR	- EUR	- EUR	- EUR	- EUR	2,400,000 EUR	- EUR	- EUR	200,000 EUR	2,200,000 EUR	- EUR	- EUR	- EUR	4. 6 EUR	- EUR	4,600,000 EUR	- EUR	- EUR	1,400,000 EUR	- EUR	- EUR	- EUR	- EUR	3,200,000 EUR	- EUR
Increase (decrease) through transactions with owners, equity	131,000,000 EUR	183,800,000 EUR	325,300,000 EUR	100,000 EUR	86,600,000 EUR	- EUR	- EUR	112,500,000 EUR	- EUR	184,000,000 EUR	141,300,000 EUR	3. 0 EUR	- EUR	12,300,000 EUR	1,100,000 EUR	89 .9 EUR	33 .1 EUR	98,100,000 EUR	- EUR	8,200,000 EUR	89 .2 EUR	16,900,000 EUR	- EUR	- EUR	- EUR	6,200,000 EUR	- EUR
Purchase of treasury shares	134,600,000 EUR	- EUR	134,900,000 EUR	- EUR	- EUR	- EUR	- EUR	0 .3 EUR	- EUR	- EUR	134,900,000 EUR	- EUR	- EUR	- EUR	700,000 EUR	700,000 EUR	- EUR	700,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR