Operating Segments and Geographic Information (Details 2) - Revenue	3 Months Ended		9 Months Ended
	Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015
OpsComms
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	85.60%	84.10%	84.70%	82.00%
OpsComms | Telecom
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	60.70%	60.20%	62.00%	60.70%
OpsComms | Datacom
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	19.80%	19.30%	17.60%	16.50%
OpsComms | Consumer and Industrial
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	5.10%	4.60%	5.10%	4.80%
Lasers
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	14.40%	15.90%	15.30%	18.00%