XML 99 R80.htm IDEA: XBRL DOCUMENT v3.8.0.1
Operating profit (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Analysis of income and expense [abstract]      
Research and development expenditure charged to the consolidated income statement $ 6.9 $ 5.5 $ 5.8
Development capital expenditure included within non-current assets (Note 12) 0.9 2.1 2.5
Total research and development expenditure 7.8 7.6 8.3
Net research and development 6.9 5.5 5.8
Depreciation of property, plant and equipment (Note 11)   16.7 16.6
Amortization of intangible assets (Note 12)   1.7 2.2
Loss on disposal of property, plant and equipment 0.1 0.2 0.0
Operating lease expense (Note 26) 5.1 4.8 5.6
Restructuring and other expense (Note 5) 21.6 2.2 22.4
Net foreign exchange gains 0.0 (0.7) (0.6)
Staff costs (Note 6) 121.3 111.7 119.3
Cost of inventories recognized as expense $ 282.9 $ 287.3 $ 316.2