Document and Entity Information - shares	3 Months Ended
	Oct. 01, 2016	Nov. 01, 2016
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 01, 2016
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1
Trading Symbol	OCLR
Entity Registrant Name	OCLARO, INC.
Entity Central Index Key	0001110647
Current Fiscal Year End Date	--07-01
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		165,915,155