Analysis Of Income And Expense [Abstract]

NCC GROUP PLC - Filing #1936472

Concept	2022-06-01 to 2023-05-31	2022-06-01 to 2023-05-31	2022-06-01 to 2023-05-31	2022-06-01 to 2023-05-31	2022-06-01 to 2023-05-31	2022-06-01 to 2023-05-31	2022-06-01 to 2023-05-31	2021-06-01 to 2022-05-31	2021-06-01 to 2022-05-31	2021-06-01 to 2022-05-31	2021-06-01 to 2022-05-31	2021-06-01 to 2022-05-31	2021-06-01 to 2022-05-31	2021-06-01 to 2022-05-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	—	—	—	—	—	335. 1 GBP	—	314 .8 GBP	—	—	—	—	—	—
Expenses by nature [abstract]
Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]
Depreciation and amortisation expense [abstract]
Depreciation and amortisation expense	—	—	—	—	—	22,600,000 GBP	—	19 .7 GBP	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Disclosure of attribution of expenses by nature to their function [abstract]
Disclosure of attribution of expenses by nature to their function [line items]
Miscellaneous other comprehensive income [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	— GBP	— GBP	— GBP	2 .4 GBP	— GBP	2,400,000 GBP	— GBP	14. 8 GBP	— GBP	— GBP	— GBP	14 .8 GBP	— GBP	— GBP
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	— GBP	— GBP	4 .6 GBP	2,400,000 GBP	— GBP	2. 2 GBP	— GBP	3 7 . 7 GBP	— GBP	0 .1 GBP	— GBP	14 . 8 GBP	— GBP	23,000,000 GBP