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Tax on Profit on Ordinary Activities - Tax on Items Charged to Equity and Comprehensive Income (Details) - GBP (£) £ in Thousands | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Income Taxes [Abstract] |  |  |
Share-based compensation | £ (1,090) | £ (42) | £ (63)
Total credit to equity and statement of comprehensive income | £ (1,090) | £ (42) | £ (63)

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- Definition Income Tax Relating To Components Of Other Comprehensive Income And Items Credited (Charged) Directly To Equity + References No definition available. + Details
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- Definition Income Tax Relating to Share-Based Compensation Included In Other Comprehensive Income + References No definition available. + Details
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- Definition Income Taxes [Abstract] + References No definition available. + Details
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