Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies - Proposed Merger with Orbotech, Ltd (Details)

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Description of Business and Summary of Significant Accounting Policies - Proposed Merger with Orbotech, Ltd (Details) - Orbotech
$ / shares in Units, $ in Billions
Mar. 18, 2018
USD ($)
$ / shares
shares
Business Acquisition  
Merger agreement, share price (in dollars per share) | $ / shares $ 38.86
Merger agreement, entity shares issues per acquiree share (in shares) | shares 0.25
Merger agreement, enterprise value | $ $ 3.2