Quarterly report pursuant to Section 13 or 15(d)

Concentrations - Summary of Net Revenue from Various Products (Detail)

v3.5.0.2
Concentrations - Summary of Net Revenue from Various Products (Detail) - Product Concentration Risk - Sales Revenue, Net
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Concentration Risk [Line Items]        
Concentration Risk Percentage 100.00% 100.00% 100.00% 100.00%
Laser systems        
Concentration Risk [Line Items]        
Concentration Risk Percentage 71.90% 65.30% 68.70% 65.20%
Imaging systems        
Concentration Risk [Line Items]        
Concentration Risk Percentage 2.60% 6.40% 4.50% 4.70%
Consumables and other        
Concentration Risk [Line Items]        
Concentration Risk Percentage 12.40% 13.10% 13.50% 15.50%
Services        
Concentration Risk [Line Items]        
Concentration Risk Percentage 12.90% 14.90% 13.00% 14.10%
License fees and royalties        
Concentration Risk [Line Items]        
Concentration Risk Percentage 0.20% 0.30% 0.30% 0.50%