Short-Term Borrowings (Details) - USD ($) $ in Thousands	Apr. 05, 2016	Jul. 02, 2016	Apr. 02, 2016
Line of Credit Facility [Line Items]
Debt Issuance Costs, Net			$ 2,500
Line of Credit, Foreign [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 14,100
Foreign lines of credit used as guarantees		1,800
Line of Credit, Domestic [Member]
Line of Credit Facility [Line Items]
Letter of Credit Outstanding Balance		20,000
Domestic line of credit used		1,100
Union Bank of California, Unsecured Revolving Credit Account | Line of Credit, Domestic [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 50,000
United States of America, Dollars
Line of Credit Facility [Line Items]
Term loan to finance acquisition of Rofin	$ 750,000
Revolving facility to finance acquisition of Rofin	$ 100,000