Basis of Presentation (Details)		6 Months Ended	12 Months Ended
	Aug. 01, 2015	Jan. 02, 2016	Jul. 02, 2016	Jun. 27, 2015
Property, Plant and Equipment
Fiscal period duration				364 days
Percentage of outstanding shares distributed	80.10%
Stock conversion ratio in distribution	0.2
Lumentum
Property, Plant and Equipment
Ownership percentage	19.90%
Forecast
Property, Plant and Equipment
Fiscal period duration			371 days
Minimum
Property, Plant and Equipment
Fiscal period duration		364 days
Maximum
Property, Plant and Equipment
Fiscal period duration		371 days