Operating Segments and Geographic Information (Details 4) - Customer Concentration Risk - Revenue	12 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014
Huawei Technologies. Co. Ltd.
Revenue, Major Customer [Line Items]
Percentage of net revenue (as a percent)	17.10%
Ciena Corporation
Revenue, Major Customer [Line Items]
Percentage of net revenue (as a percent)	17.10%	14.40%	15.90%
Alphabet Inc. (formerly Google)
Revenue, Major Customer [Line Items]
Percentage of net revenue (as a percent)			10.30%
Cisco Systems, Inc.
Revenue, Major Customer [Line Items]
Percentage of net revenue (as a percent)	13.00%	11.80%