XML 323 R130.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Employee benefits - Movement in Fair Value of Plan Assets (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of defined benefit plans [line items]    
Interest expense (income), net defined benefit liability (asset) € 3.6 € 3.6
Reconciliation of changes in net assets available for benefits [abstract]    
Plan assets, beginning balance (81.5)  
Gain (loss) on remeasurement, net defined benefit liability (asset) (35.3) (12.9)
Contributions to plan, net defined benefit liability (asset) (0.6) 0.6
Payments from plan, net defined benefit liability (asset) 5.2 5.4
Exchange adjustments (1.2) (2.2)
Defined benefit retirement plans    
Disclosure of defined benefit plans [line items]    
Interest expense (income), net defined benefit liability (asset) 3.6 3.6
Reconciliation of changes in net assets available for benefits [abstract]    
Plan assets, beginning balance 81.5 81.3
Interest income 1.4 1.6
Gain (loss) on remeasurement, net defined benefit liability (asset) 35.3 12.9
Contributions to plan, net defined benefit liability (asset) (0.6) 0.6
Payments from plan, net defined benefit liability (asset) (5.2) 5.4
Contributions by employer 0.5 0.5
Contributions by members 0.5 0.5
Benefits paid (2.6) (2.7)
Exchange adjustments (1.3) (2.2)
Post-employment Retirement Benefits [Member]    
Disclosure of defined benefit plans [line items]    
Interest expense (income), net defined benefit liability (asset) 0.0 0.0
Reconciliation of changes in net assets available for benefits [abstract]    
Gain (loss) on remeasurement, net defined benefit liability (asset) 0.0 0.0
Contributions to plan, net defined benefit liability (asset) 0.0 0.0
Payments from plan, net defined benefit liability (asset) 0.0 0.0
Benefits paid   0.0
Exchange adjustments € 0.1 € 0.0