v3.20.1
Changes in accumulated other comprehensive loss by component (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
AOCI Attributable to Parent, Net of Tax    
Beginning Balance $ (45.0)  
Amount reclassified    
Ending Balance (34.8)  
Foreign currency translation    
AOCI Attributable to Parent, Net of Tax    
Beginning Balance (140.6) $ (146.4)
Other comprehensive (loss) income:    
Foreign currency translation adjustments (11.2) 2.2
Amount reclassified    
Ending Balance (151.8) (144.2)
Accumulated other comprehensive loss, tax impacts related to rate changes 0.0 0.0
Pension    
AOCI Attributable to Parent, Net of Tax    
Beginning Balance (1.7) (1.4)
Cash flow hedges    
AOCI Attributable to Parent, Net of Tax    
Beginning Balance 1.6 1.6
Other comprehensive (loss) income:    
Net change from periodic revaluations (0.6) (0.2)
Tax benefit 0.2  
Total other comprehensive (loss) income before reclassifications, net of tax (0.4) (0.2)
Amount reclassified    
Total other comprehensive loss (0.3) (0.1)
Ending Balance 1.3 1.5
Amount reclassified from accumulated other comprehensive income | Foreign currency translation    
Amount reclassified    
Amounts reclassified to earnings, foreign currency 0.0 0.0
Amount reclassified from accumulated other comprehensive income | Cash flow hedges    
Amount reclassified    
Total amount reclassified from accumulated other comprehensive loss, net of tax 0.1 0.1
Amount reclassified from accumulated other comprehensive income | Cash flow hedges | Interest rate swaps    
Amount reclassified    
Interest rate swaps $ 0.1 $ 0.1