Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.5.0.2
Document and Entity Information - shares
3 Months Ended
Sep. 30, 2016
Oct. 10, 2016
DEI [Abstract]
Document Type 10-Q
Amendment Flag false
Document Period End Date Sep. 30, 2016
Document Fiscal Year Focus 2017
Document Fiscal Period Focus 第一季度
Entity Registrant Name KLA TENCOR CORP
Entity Central Index Key 0000319201
Entity Filer Category Large Accelerated Filer
Current Fiscal Year End Date --06-30
Trading Symbol klac
Entity Common Stock, Shares Outstanding 156,318,732