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 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 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 70.70% 65.60% 67.00% 65.10%
Imaging systems        
Concentration Risk [Line Items]        
Concentration Risk Percentage 5.00% 4.50% 5.60% 3.80%
Consumables and other        
Concentration Risk [Line Items]        
Concentration Risk Percentage 12.50% 15.90% 14.10% 16.70%
Services        
Concentration Risk [Line Items]        
Concentration Risk Percentage 11.40% 13.70% 13.00% 13.80%
License fees and royalties        
Concentration Risk [Line Items]        
Concentration Risk Percentage 0.40% 0.30% 0.30% 0.60%