Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Concentrations - Summary of Net Revenue from Various Products (Detail) - Product Concentration Risk - Sales Revenue, Net
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Concentration Risk [Line Items]        
Concentration Risk Percentage 100.00% 100.00% 100.00% 100.00%
Laser systems        
Concentration Risk [Line Items]        
Concentration Risk Percentage 63.10% 70.70% 62.60% 67.00%
Imaging systems        
Concentration Risk [Line Items]        
Concentration Risk Percentage 7.50% 5.00% 6.70% 5.60%
Consumables and other        
Concentration Risk [Line Items]        
Concentration Risk Percentage 16.30% 12.50% 15.90% 14.10%
Services        
Concentration Risk [Line Items]        
Concentration Risk Percentage 12.80% 11.40% 14.50% 13.00%
License fees and royalties        
Concentration Risk [Line Items]        
Concentration Risk Percentage 0.30% 0.40% 0.30% 0.30%