Operating Segments and Geographic Information (Details 2) - Revenue	3 Months Ended		6 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 26, 2015	Dec. 27, 2014
OpsComms
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	85.10%	81.30%	84.20%	81.00%
OpsComms | Telecom
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	63.10%	59.80%	62.80%	60.80%
OpsComms | Datacom
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	16.00%	16.80%	16.40%	15.30%
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)	6.00%	4.70%	5.00%	4.90%
Lasers
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	14.90%	18.70%	15.80%	19.00%