Document and Entity Information (USD $)	3 Months Ended
	Oct. 01, 2011	Nov. 04, 2011	Dec. 31, 2010
Document and Entity Information [Abstract]
Entity Registrant Name	OCLARO, INC.
Entity Central Index Key	0001110647
Document Type	10-Q
Document Period End Date	Oct. 01, 2011
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--06-30
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Accelerated Filer
Entity Public Float			$ 652,256,000
Entity Common Stock, Shares Outstanding		50,561,677