XML 505 R122.htm IDEA: XBRL DOCUMENT v3.20.2
Financial risk management - Movements on the hedging reserve (Details) - GBP (£)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Movements on the hedging reserve      
Reserve of cash flow hedges, beginning balance £ (35,544,000) £ (27,558,000) £ (31,271,000)
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges      
Exchange differences on hedged foreign exchange risks (2,465,000) (6,182,000) 6,338,000
Reclassified to profit or loss 12,180,000 6,250,000 13,914,000
Change in fair value (6,838,000) (6,788,000) 5,145,000
Tax relating to above 102,000 (1,266,000) (21,684,000)
Movement recognized in other comprehensive income 2,979,000 (7,986,000) 3,713,000
Reserve of cash flow hedges, ending balance (32,565,000) (35,544,000) (27,558,000)
Movements on hedging reserve before tax      
Reserve of cash flow hedges, before tax, beginning balance (29,433,000) (22,713,000) (48,110,000)
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges, before tax      
Exchange differences on hedged foreign exchange risks (2,465,000) (6,182,000) 6,338,000
Reclassified to profit or loss 12,180,000 6,250,000 13,914,000
Change in fair value (6,838,000) (6,788,000) 5,145,000
Movement recognized in other comprehensive income (loss) 2,877,000 (6,720,000) 25,397,000
Reserve of cash flow hedges, before tax, ending balance (26,556,000) (29,433,000) (22,713,000)
Movements on hedging reserve tax      
Reserve of cash flow hedges, tax, beginning balance (6,111,000) (4,845,000) 16,839,000
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges, tax      
Tax credit/(expense) relating to movements on hedges 102,000 (1,266,000) (21,684,000)
Reserve of cash flow hedges, tax, ending balance (6,009,000) (6,111,000) (4,845,000)
Currency risk      
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges      
Exchange differences on hedged foreign exchange risks (2,818,000) (6,350,000) 6,522,000
Reclassified to profit or loss 12,214,000 6,004,000 13,791,000
Movements on hedging reserve before tax      
Reserve of cash flow hedges, before tax, beginning balance (27,337,000) (26,991,000) (47,304,000)
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges, before tax      
Exchange differences on hedged foreign exchange risks (2,818,000) (6,350,000) 6,522,000
Reclassified to profit or loss 12,214,000 6,004,000 13,791,000
Movement recognized in other comprehensive income (loss) 9,396,000 (346,000) 20,313,000
Reserve of cash flow hedges, before tax, ending balance £ (17,941,000) £ (27,337,000) (26,991,000)
Currency risk | US dollar      
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges, tax      
Percentage of reasonably possible change in risk assumption 10.00% 10.00%  
Increase (decrease) in reserve of cash flow hedges before tax due to reasonably possible strengthening of GBP against currency £ 13,042,000 £ 15,093,000  
Increase (decrease) in reserve of cash flow hedges before tax due to reasonably possible weakening of GBP against currency (15,941,000) (18,447,000)  
Interest rate risk      
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges      
Change in fair value (6,838,000) (6,788,000) 5,145,000
Movements on hedging reserve before tax      
Reserve of cash flow hedges, before tax, beginning balance (2,298,000) 4,490,000 (655,000)
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges, before tax      
Change in fair value (6,838,000) (6,788,000) 5,145,000
Movement recognized in other comprehensive income (loss) (6,838,000) (6,788,000) 5,145,000
Reserve of cash flow hedges, before tax, ending balance £ (9,136,000) £ (2,298,000) 4,490,000
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges, tax      
Percentage of reasonably possible change in risk assumption 1.00% 1.00%  
Other price risk      
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges      
Exchange differences on hedged foreign exchange risks £ 353,000 £ 168,000 (184,000)
Reclassified to profit or loss (34,000) 246,000 123,000
Movements on hedging reserve before tax      
Reserve of cash flow hedges, before tax, beginning balance 202,000 (212,000) (151,000)
Movement recognized in other comprehensive income (loss), reserve of cash flow hedges, before tax      
Exchange differences on hedged foreign exchange risks 353,000 168,000 (184,000)
Reclassified to profit or loss (34,000) 246,000 123,000
Movement recognized in other comprehensive income (loss) 319,000 414,000 (61,000)
Reserve of cash flow hedges, before tax, ending balance £ 521,000 £ 202,000 £ (212,000)