CREDIT LINE AND NOTES - Additional Information (Detail) (USD $)	0 Months Ended				0 Months Ended	3 Months Ended		3 Months Ended		0 Months Ended
	Aug. 21, 2013	Dec. 14, 2012 7.50 % Exchangeable Senior Secured Second Lien Notes	Sep. 28, 2013 7.50 % Exchangeable Senior Secured Second Lien Notes	Dec. 14, 2012 7.50 % Exchangeable Senior Secured Second Lien Notes	Dec. 19, 2013 7.50 % Exchangeable Senior Secured Second Lien Notes Convertible Note	Dec. 28, 2013 7.50 % Exchangeable Senior Secured Second Lien Notes Convertible Note	Dec. 19, 2013 7.50 % Exchangeable Senior Secured Second Lien Notes Convertible Note	Sep. 28, 2013 Convertible Notes 7.50 % Exchangeable Senior Secured Second Lien Notes	May 06, 2013 Term Loans	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Loan Agreement	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Minimum	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank First Year after Closing Loan Agreement	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Second Year after Closing Loan Agreement	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Third Year after Closing Loan Agreement	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank LIBOR	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Prime Rate	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Revolving Credit Facility Loan Agreement	Sep. 27, 2014 Oclaro Technology Limited Silicon Valley Bank Revolving Credit Facility Loan Agreement	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Revolving Credit Facility Loan Agreement	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Letters of Credit, Foreign Exchange Contracts and Cash Management Services Loan Agreement
Ceded Credit Risk [Line Items]
Debt term																		3 years
Line of credit, maximum borrowing capacity									$ 25,000,000.0											$ 40,000,000.0	$ 10,000,000.0
Percentage of eligible accounts for advances											80.00%
Basis spread on variable rate																2.25%	1.00%
Minimum net cash required under Loan Agreement										15,000,000.0
Increase in interest rate under Loan Agreement										0.75%
Interest paid under Loan Agreement												45,000
Termination fee, percent													1.00%	0.75%	0.50%
Amounts outstanding under credit agreement																			0
Payment of amendment fee to the lenders	650,000
Private placement offering		25,000,000
Interest rate of private placement				7.50%
Net proceeds of private placement		22,800,000
Contingent obligation for make-whole premium			700,000
Debt discount								1,300,000
Debt issuance costs								900,000
Debt discount and issuance costs recognized								200,000
Number of shares of common stock exchanged for convertible notes, exchange rate					541.7118
Convertible notes, principal amount							1,000
Number of shares of common stock issued in connection with exchange					13,542,791
Redemption exchange payment						$ 8,300,000