Operating Segments and Geographic Information (Details 2) (Revenue)	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Network and Service Enablement
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	42.90%	43.40%	45.40%
Communications and Commercial Optical Products
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	45.60%	44.30%	42.20%
Communications and Commercial Optical Products | Optical Communications
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	38.50%	37.30%	35.30%
Communications and Commercial Optical Products | Lasers
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	7.10%	7.00%	6.90%
Optical Security and Performance Products
Products and services which accounted for 10% or more of total net revenue
Percentage of total net revenue (as a percent)	11.50%	12.30%	12.40%