XML 69 R52.htm IDEA: XBRL DOCUMENT v3.19.2
Goodwill and other identifiable intangible assets - Schedule of Goodwill (Details)
$ in Millions
6 Months Ended
Jun. 30, 2019
USD ($)
Goodwill [Roll Forward]  
Beginning balance $ 67.6
Exchange difference (0.2)
Ending balance 67.4
Gas Cylinders  
Goodwill [Roll Forward]  
Beginning balance 26.3
Exchange difference (0.1)
Ending balance 26.2
Elektron  
Goodwill [Roll Forward]  
Beginning balance 41.3
Exchange difference (0.1)
Ending balance $ 41.2