Analysis Of Income And Expense [Abstract]

NCC GROUP PLC - Filing #1774540

Concept	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	2020-06-01 to 2021-05-31	2020-06-01 to 2021-05-31	2020-06-01 to 2021-05-31	2020-06-01 to 2021-05-31	2020-06-01 to 2021-05-31	2020-06-01 to 2021-05-31	2020-06-01 to 2021-05-31
Analysis of income and expense [abstract]
Revenue [abstract]
Revenue	314,800,000 GBP	—	—	—	—	—	—	—	—	—	—	270,500,000 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	19,700,000 GBP	—	—	—	—	—	—	—	—	—	—	19,700,000 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	14,800,000 GBP	– GBP	– GBP	– GBP	14,800,000 GBP	– GBP	– GBP	—	—	—	—	11,600,000 GBP	—	—
Comprehensive income, continuing and discontinued operations [abstract]
Comprehensive income	37,700,000 GBP	– GBP	100,000 GBP	– GBP	14,800,000 GBP	– GBP	23,000,000 GBP	11,600,000 GBP	– GBP	– GBP	10,000,000 GBP	2,400,000 GBP	– GBP	800,000 GBP