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Reconciliation of profit before interest and taxation to headline PBIT
 6 Months Ended
Jun. 30, 2018
Text block1 [abstract]  
Reconciliation of profit before interest and taxation to headline PBIT
21.

Reconciliation of profit before interest and taxation to headline PBIT

 

     

Six months
ended

30 June

2018

    

Six months

ended

30 June

2017

    

Year ended

31 December

2017

  
      £m     £m     £m  

Profit before interest and taxation

      851.3       783.9       2,021.7  

Amortisation and impairment of acquired intangible assets

      84.0       97.8       195.1  

Goodwill impairment

      —         —         27.1  

Gains on disposal of investments and subsidiaries

      (189.9 )      (5.9 )      (129.0 ) 

(Gains)/losses on remeasurement of equity interests arising from a change in scope of ownership

      (0.1 )      0.2       0.3  

Investment write-downs

      1.5       —         95.9  

Restructuring costs

      45.5       19.2       56.8  

Share of exceptional losses/(gains) of associates

      28.4       (13.2)       (0.8)  

Headline PBIT

      820.7       882.0       2,267.1