Profit Or Loss [Abstract]

Dunelm Group PLC - Filing #1794730

Concept	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	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26	2020-06-28 to 2021-06-26
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	1,581,400,000.0 GBP	—	—	—	—	—	—	1,336,200,000.0 GBP	—	—	—	—	—	—
Cost of sales	772,000,000.0 GBP	—	—	—	—	—	—	647,300,000.0 GBP	—	—	—	—	—	—
Gross profit	809,400,000.0 GBP	—	—	—	—	—	—	688,900,000.0 GBP	—	—	—	—	—	—
Other expense, by function	591,700,000.0 GBP	—	—	—	—	—	—	522,500,000.0 GBP	—	—	—	—	—	—
Profit (loss) from operating activities	217,700,000.0 GBP	—	—	—	—	—	—	166,400,000.0 GBP	—	—	—	—	—	—
Finance income	1,200,000.0 GBP	—	—	—	—	—	—	100,000.0 GBP	—	—	—	—	—	—
Finance costs	6,100,000.0 GBP	—	—	—	—	—	—	8,700,000.0 GBP	—	—	—	—	—	—
Profit (loss) before tax	212,800,000.0 GBP	—	—	—	—	—	—	157,800,000.0 GBP	—	—	—	—	—	—
Tax expense (income)	41,600,000.0 GBP	—	—	—	—	—	—	28,900,000.0 GBP	—	—	—	—	—	—
Profit (loss)	171,200,000.0 GBP	— GBP	— GBP	171,200,000.0 GBP	— GBP	— GBP	171,200,000.0 GBP	128,900,000.0 GBP	— GBP	— GBP	— GBP	128,900,000.0 GBP	— GBP	128,900,000.0 GBP
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	84.50	—	—	—	—	—	—	63.70	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	83.60	—	—	—	—	—	—	62.90	—	—	—	—	—	—