Statement Of Comprehensive Income [Abstract]

Bodycote PLC - Filing #1588957

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of comprehensive income [abstract]
Profit (loss)	0. 5 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	5 9.5 GBP	6 0.0 GBP	5 9.5 GBP	0 .4 GBP	– GBP	0 .8 GBP	– GBP	0. 4 GBP	– GBP	0. 4 GBP	– GBP	– GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]
Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans	—	—	—	—	—	—	—	1,700,000 GBP	—	—	—	500,000 GBP	—	—	—	—	—	—
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract]
Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss	—	—	—	—	—	—	—	0 .1 GBP	—	—	—	0 .1 GBP	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	12 . 0 GBP	—	—	—	0 .1 GBP	—	—	—	—	—	—
Comprehensive income	0. 2 GBP	– GBP	– GBP	1. 0 GBP	– GBP	1 4 .1 GBP	4 8. 2 GBP	4 8.0 GBP	61. 3 GBP	0 .8 GBP	– GBP	0. 9 GBP	– GBP	0 .1 GBP	– GBP	0. 8 GBP	– GBP	– GBP
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	4 8. 2 GBP	—	—	—	0. 8 GBP	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	0. 2 GBP	—	—	—	0 .1 GBP	—	—	—	—	—	—