Profit Or Loss [Abstract]

Koninklijke BAM Groep N.V. - Filing #5830023

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	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
Profit or loss [abstract]
Profit (loss) [abstract]
Other income	—	673,000 EUR	—	—	—	—	—	—	5,881,000 EUR	—	—	—	—	—
Employee benefits expense	—	1,228,767,000 EUR	—	—	—	—	—	—	1,153,823,000 EUR	—	—	—	—	—
Depreciation and amortisation expense	—	127,769,000 EUR	—	—	—	—	—	—	121,293,000 EUR	—	—	—	—	—
Impairment loss (reversal of impairment loss) recognised in profit or loss	—	4,433,000 EUR	—	—	—	—	—	—	3,559,000 EUR	—	—	—	—	—
Other expenses, by nature	—	276,802,000 EUR	—	—	—	—	—	—	277,594,000 EUR	—	—	—	—	—
Profit (loss) from operating activities	—	58,792,000 EUR	—	—	—	—	—	—	170,729,000 EUR	—	—	—	—	—
Finance income	—	23,400,000 EUR	—	—	—	—	—	—	23,262,000 EUR	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	57,651,000 EUR	—	—	—	—	—	—	30,828,000 EUR	—	—	—	—	—
Profit (loss) before tax	—	67,330,000 EUR	—	—	—	—	—	—	183,568,000 EUR	—	—	—	—	—
Tax expense (income)	—	5,164,000 EUR	—	—	—	—	—	—	8,614,000 EUR	—	—	—	—	—
Profit (loss) from continuing operations	—	62,166,000 EUR	—	—	—	—	—	—	174,954,000 EUR	—	—	—	—	—
Profit (loss) from discontinued operations	—	20,069,000 EUR	—	—	—	—	—	—	- EUR	—	—	—	—	—
Profit (loss)	13,000 EUR	82,235,000 EUR	- EUR	- EUR	- EUR	82,248,000 EUR	82,248,000 EUR	- EUR	174,954,000 EUR	37,000 EUR	- EUR	174,991,000 EUR	- EUR	174,991,000 EUR
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	82,248,000 EUR	—	—	—	—	—	—	174,991,000 EUR	—	—	—	—	—
Profit (loss), attributable to non-controlling interests	—	13,000 EUR	—	—	—	—	—	—	37,000 EUR	—	—	—	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share from continuing operations	—	0.23	—	—	—	—	—	—	0.65	—	—	—	—	—
Basic earnings (loss) per share	—	0.31	—	—	—	—	—	—	0.65	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share from continuing operations	—	0.23	—	—	—	—	—	—	0.64	—	—	—	—	—
Diluted earnings (loss) per share	—	0.30	—	—	—	—	—	—	0.64	—	—	—	—	—