Operating Segments and Geographic Information (Details 2) - Revenue	12 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014
OpComms
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	84.30%	82.90%	85.00%
OpComms | Telecom
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	61.50%	60.60%	60.60%
OpComms | Datacom
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	18.10%	17.40%	14.30%
OpComms | Consumer and Industrial
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	4.70%	4.90%	10.10%
Lasers
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	15.70%	17.10%	15.00%