Statement Of Comprehensive Income [Abstract]

Dunelm Group PLC - Filing #3494000

Concept	2022-07-03 to 2023-07-01	2022-07-03 to 2023-07-01	2022-07-03 to 2023-07-01	2022-07-03 to 2023-07-01	2022-07-03 to 2023-07-01	2022-07-03 to 2023-07-01	2022-07-03 to 2023-07-01	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02	2021-06-27 to 2022-07-02
Statement of comprehensive income [abstract]
Profit (loss)	— GBP	— GBP	151,900,000 GBP	— GBP	— GBP	151,900,000 GBP	151,900,000 GBP	171,200,000 GBP	— GBP	— GBP	— GBP	171,200,000 GBP	— GBP	171,200,000 GBP
Other comprehensive income [abstract]
Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]
Cash flow hedges [abstract]
Other comprehensive income, before tax, cash flow hedges	— GBP	— GBP	— GBP	14,000,000 GBP	— GBP	14,000,000 GBP	14,000,000 GBP	32,400,000 GBP	— GBP	— GBP	32,400,000 GBP	— GBP	— GBP	32,400,000 GBP
Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]
Income tax relating to cash flow hedges included in other comprehensive income	— GBP	— GBP	— GBP	6,600,000 GBP	— GBP	6,600,000 GBP	6,600,000 GBP	5,300,000 GBP	— GBP	— GBP	5,300,000 GBP	— GBP	— GBP	5,300,000 GBP
Other comprehensive income	—	—	—	—	—	—	7,400,000 GBP	27,100,000 GBP	—	—	—	—	—	—
Comprehensive income	— GBP	— GBP	151,900,000 GBP	7,400,000 GBP	— GBP	144,500,000 GBP	144,500,000 GBP	198,300,000 GBP	— GBP	— GBP	27,100,000 GBP	171,200,000 GBP	— GBP	198,300,000 GBP