XML 112 R93.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property, plant and equipment (Details) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment $ 127,900,000 $ 136,000,000  
Additions 9,200,000 16,500,000 $ 15,300,000
Impairment 5,000,000 0 1,700,000
Provided during the year   16,700,000 16,600,000
Property, plant and equipment 125,500,000 127,900,000 136,000,000
Assets under finance leases 0 0  
Cost      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 349,000,000 387,400,000  
Additions 9,200,000 16,500,000  
Acquired via acquisition 5,200,000    
Disposals (4,900,000) (26,800,000)  
Transfers   0  
Exchange difference 18,300,000 (28,100,000)  
Property, plant and equipment 376,800,000 349,000,000 387,400,000
Accumulated depreciation, amortisation and impairment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment (221,100,000) (251,400,000)  
Disposals (4,700,000) (25,600,000)  
Impairment 5,000,000    
Transfers   0  
Exchange difference (13,200,000) 21,400,000  
Provided during the year 16,700,000 16,700,000  
Property, plant and equipment (251,300,000) (221,100,000) (251,400,000)
Freehold      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 29,800,000 36,000,000  
Property, plant and equipment 29,900,000 29,800,000 36,000,000
Freehold | Cost      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 56,400,000 56,100,000  
Additions 900,000 1,900,000  
Acquired via acquisition 2,000,000    
Disposals (100,000) (3,800,000)  
Transfers   3,800,000  
Exchange difference 3,200,000 (1,600,000)  
Property, plant and equipment 62,400,000 56,400,000 56,100,000
Freehold | Accumulated depreciation, amortisation and impairment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment (26,600,000) (20,100,000)  
Disposals (100,000) (2,800,000)  
Impairment 2,500,000    
Transfers   (7,900,000)  
Exchange difference (1,300,000) 600,000  
Provided during the year 2,200,000 2,000,000  
Property, plant and equipment (32,500,000) (26,600,000) (20,100,000)
Long leasehold      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 2,800,000 2,500,000  
Property, plant and equipment 2,700,000 2,800,000 2,500,000
Long leasehold | Cost      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 5,900,000 6,400,000  
Additions 300,000 600,000  
Acquired via acquisition 0    
Disposals (100,000) 0  
Transfers   (200,000)  
Exchange difference 100,000 (900,000)  
Property, plant and equipment 6,200,000 5,900,000 6,400,000
Long leasehold | Accumulated depreciation, amortisation and impairment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment (3,100,000) (3,900,000)  
Disposals (100,000) 0  
Impairment 0    
Transfers   500,000  
Exchange difference (200,000) 600,000  
Provided during the year 300,000 300,000  
Property, plant and equipment (3,500,000) (3,100,000) (3,900,000)
Short leasehold      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 5,000,000 5,600,000  
Property, plant and equipment 5,500,000 5,000,000 5,600,000
Short leasehold | Cost      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 10,500,000 10,300,000  
Additions 900,000 500,000  
Acquired via acquisition 0    
Disposals 0 0  
Transfers   0  
Exchange difference 800,000 (300,000)  
Property, plant and equipment 12,200,000 10,500,000 10,300,000
Short leasehold | Accumulated depreciation, amortisation and impairment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment (5,500,000) (4,700,000)  
Disposals 0 0  
Impairment 0    
Transfers   (200,000)  
Exchange difference (300,000) 200,000  
Provided during the year 900,000 800,000  
Property, plant and equipment (6,700,000) (5,500,000) (4,700,000)
Plant and equipment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 90,300,000 91,900,000  
Property, plant and equipment 87,400,000 90,300,000 91,900,000
Plant and equipment | Cost      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment 276,200,000 314,600,000  
Additions 7,100,000 13,500,000  
Acquired via acquisition 3,200,000    
Disposals (4,700,000) (23,000,000)  
Transfers   (3,600,000)  
Exchange difference 14,200,000 (25,300,000)  
Property, plant and equipment 296,000,000 276,200,000 314,600,000
Plant and equipment | Accumulated depreciation, amortisation and impairment      
Reconciliation of changes in property, plant and equipment [abstract]      
Property, plant and equipment (185,900,000) (222,700,000)  
Disposals (4,500,000) (22,800,000)  
Impairment 2,500,000    
Transfers   7,600,000  
Exchange difference (11,400,000) 20,000,000  
Provided during the year 13,300,000 13,600,000  
Property, plant and equipment (208,600,000) $ (185,900,000) $ (222,700,000)
Luxfer Czech Republic Operating Segment | Accumulated depreciation, amortisation and impairment      
Reconciliation of changes in property, plant and equipment [abstract]      
Impairment 2,200,000    
Luxfer Magtech operations | Accumulated depreciation, amortisation and impairment      
Reconciliation of changes in property, plant and equipment [abstract]      
Impairment 1,300,000    
Operating segments | Accumulated depreciation, amortisation and impairment      
Reconciliation of changes in property, plant and equipment [abstract]      
Impairment $ 1,500,000