XML 79 R64.htm IDEA: XBRL DOCUMENT v3.19.2
INCOME TAXES - Narrative (Details)
$ / shares in Units, SFr in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
$ / shares
Jun. 30, 2018
Jun. 30, 2019
CHF (SFr)
Jun. 30, 2018
USD ($)
Income Tax Contingency [Line Items]        
Effective income tax rate 18.30% 10.60% (2.10%) (2.30%)
Tax benefit from Switzerland tax holiday $ 10.8      
Tax benefit from Switzerland tax holiday (in dollars per share) | $ / shares $ 0.13      
Tax benefit, related to share-based compensation       $ 1.7
Foreign Tax Authority | Swiss Federal Tax Administration (FTA)        
Income Tax Contingency [Line Items]        
Federal tax credit | SFr     SFr 12  
Federal tax credit, term     7 years