Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies - Merger Agreement (Details)

v3.5.0.2
Description of Business and Summary of Significant Accounting Policies - Merger Agreement (Details) - KLA-Tencor
$ / shares in Units, $ in Millions
 12 Months Ended
Oct. 20, 2015
USD ($)
$ / shares
Jun. 30, 2016
USD ($)
Business Acquisition [Line Items]    
Acquisition related costs   $ 18.2
Selling, general and administrative    
Business Acquisition [Line Items]    
Acquisition related costs   15.8
Research and development    
Business Acquisition [Line Items]    
Acquisition related costs   1.7
Costs of revenues    
Business Acquisition [Line Items]    
Acquisition related costs   $ 0.7
Lam Research    
Business Acquisition [Line Items]    
Converted stock multiplier, mixed consideration 0.5  
Conversion amount, mixed consideration (in dollars per share) | $ / shares $ 32.00  
Converted stock multiplier, all-stock consideration 0.5  
Conversion amount, all-stock consideration (in dollars per share) | $ / shares $ 32.00  
Measurement period (trading days) 5 days  
Conversion amount (in dollars per share) | $ / shares $ 32.00  
Converted stock multiplier 0.5  
Termination fee $ 290.0