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Employee benefit expenses - Key management compensation (Details) - GBP (£)
£ in Thousands
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Employee benefit expenses      
Short-term employee benefits £ (9,961) £ (7,620) £ (8,601)
Share-based payments (748) (5,275) (3,654)
Post-employment benefits (20) (20) (71)
Total key management compensation £ (10,729) £ (12,915) £ (12,326)