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Related Party Transactions (Details) (KLA-Tencor Corporation ("KLA-Tencor"), USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Mar. 31, 2012
member
Apr. 02, 2011
Mar. 31, 2012
member
Apr. 02, 2011
Jul. 02, 2011
KLA-Tencor Corporation ("KLA-Tencor")
         
Transactions with Related Party          
Sales: $ 2.1 $ 1.7 $ 6.0 $ 4.4  
Accounts Receivable: $ 1.2   $ 1.2   $ 0.7
Board of Directors in Common          
Number of the Company's board members that are also on the Board of related party entity 1   1