| Total assets | 918.6M | 965.1M | 1.0B | 1.0B | 
                
                        | Current assets | 584.4M | 596.0M | 635.0M | 747.6M | 
                
                        | Cash | — | — | — | — | 
                
                        | Cash equivalents | — | — | — | — | 
                
                        | Cash and cash equivalents | 344.1M | 359.3M | 219.7M | 587.4M | 
                
                        | Other short term investments | 49.3M | 29.4M | 210.2M | 0 | 
                
                        | Accounts receivable | 87.9M | 114.8M | 104.2M | 85.3M | 
                
                        | Other receivables | — | — | — | — | 
                
                        | Inventory | 83.1M | 73.7M | 81.6M | 60.0M | 
                
                        | Prepaid assets | — | — | — | 13.9M | 
                
                        | Restricted cash | — | 0 | 2.6M | 1.0M | 
                
                        | Assets held for sale | — | — | — | — | 
                
                        | Hedging assets | — | — | — | — | 
                
                        | Other current assets | 20.0M | 18.8M | 16.6M | 13.9M | 
                
                        | Non current assets | 334.2M | 369.1M | 393.9M | 271.2M | 
                
                        | Properties | 57.3M | 65.4M | 69.9M | 60.9M | 
                
                        | Land and improvements | 36.8M | 36.8M | 36.8M | 36.1M | 
                
                        | Machinery furniture equipment | 97.0M | 96.6M | 76.9M | 62.7M | 
                
                        | Construction in progress | 5.2M | 7.3M | 153.0M | 52.2M | 
                
                        | Leases | 89.6M | 96.4M | 91.5M | 67.5M | 
                
                        | Accumulated depreciation | -123.0M | -103.5M | -68.8M | -49.0M | 
                
                        | Goodwill | 24.7M | 25.6M | 31.9M | 34.4M | 
                
                        | Investment properties | — | — | — | — | 
                
                        | Financial assets | — | — | — | — | 
                
                        | Intangible assets | 15.7M | 16.6M | 22.9M | 25.4M | 
                
                        | Investments and advances | — | — | — | — | 
                
                        | Other non current assets | 4.1M | 3.1M | 7.4M | 10.9M | 
                
                        | Total liabilities | 208.5M | 224.1M | 223.2M | 201.3M | 
                
                        | Current liabilities | 117.6M | 127.2M | 131.0M | 110.4M | 
                
                        | Accounts payable | 12.9M | 15.7M | 21.6M | 17.4M | 
                
                        | Accrued expenses | 28.0M | 47.7M | 58.6M | 37.0M | 
                
                        | Short term debt | 9.3M | 11.5M | 9.0M | 5.1M | 
                
                        | Deferred revenue | 20.7M | 13.2M | 7.9M | 5.3M | 
                
                        | Tax payable | 4.9M | 5.0M | 4.1M | 4.6M | 
                
                        | Pensions | 24.7M | 21.4M | 20.0M | 31.6M | 
                
                        | Other current liabilities | 17.1M | 12.5M | 9.7M | 9.3M | 
                
                        | Non current liabilities | 90.9M | 96.9M | 92.3M | 90.9M | 
                
                        | Long term provisions | — | — | — | — | 
                
                        | Long term debt | 73.3M | 83.8M | 86.1M | 76.8M | 
                
                        | Provision for risks and charges | — | — | — | — | 
                
                        | Deferred liabilities | — | — | — | — | 
                
                        | Derivative product liabilities | — | — | — | — | 
                
                        | Other non current liabilities | 5.0M | 4.3M | 3.0M | 8.2M | 
                
                        | Shareholders equity |  |  |  |  | 
                
                        | Common stock | 2K | 2K | 2K | 2K | 
                
                        | Retained earnings | -1.5B | -1.3B | -1.0B | -863.3M | 
                
                        | Other shareholders equity | -493K | -429K | -4.3M | 22K | 
                
                        | Total shareholders equity | 710.1M | 741.0M | 805.7M | 817.6M | 
                
                        | Additional paid in capital | 2.2B | 2.0B | 1.8B | 1.7B | 
                
                        | Treasury stock | — | — | — | — | 
                
                        | Minority interest | — | — | — | — |