Operating Segments and Geographic Information - Schedule of Percentage of Total Net Revenue Attributable to Reportable Segments (Details) - Product offerings - Revenue number in Millions	3 Months Ended
Sep. 29, 2018	Sep. 30, 2017
OpComms
Concentration Risk [Line Items]
Concentration risk percentage	31010.00%	20790.00%
OpComms \| Telecom
Concentration Risk [Line Items]
Concentration risk percentage	14290.00%	11040.00%
OpComms \| Datacom
Concentration Risk [Line Items]
Concentration risk percentage	3420.00%	4520.00%
OpComms \| Consumer and Industrial
Concentration Risk [Line Items]
Concentration risk percentage	13300.00%	5230.00%
Lasers
Concentration Risk [Line Items]
Concentration risk percentage	4400.00%	3530.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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Data Type:	num:percentItemType
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