CREDIT LINE AND NOTES - Additional Information (Detail) (USD $)	0 Months Ended		3 Months Ended		0 Months Ended
	Dec. 14, 2012	Dec. 19, 2013	Dec. 28, 2013	Dec. 29, 2012	Mar. 28, 2014	Dec. 27, 2014
7.50 % Exchangeable Senior Secured Second Lien Notes
Ceded Credit Risk [Line Items]
Private placement offering	$ 25,000,000
Interest rate of private placement	7.50%
Net proceeds of private placement	22,800,000
7.50 % Exchangeable Senior Secured Second Lien Notes | Convertible Notes
Ceded Credit Risk [Line Items]
Conversion ratio		0.5417118
Number of shares of common stock issued in connection with exchange		13,542,791
Redemption exchange payment			8,300,000
Debt discount	1,300,000
Debt issuance costs	900,000
Debt discount and issuance costs recognized				1,800,000
Oclaro Technology Limited | Silicon Valley Bank
Ceded Credit Risk [Line Items]
Minimum net cash required under Loan Agreement					15,000,000
Increase in interest rate under Loan Agreement					0.75%
Oclaro Technology Limited | Silicon Valley Bank | Minimum
Ceded Credit Risk [Line Items]
Interest paid under Loan Agreement					45,000
Oclaro Technology Limited | Silicon Valley Bank | LIBOR
Ceded Credit Risk [Line Items]
Basis spread on variable rate					2.25%
Oclaro Technology Limited | Silicon Valley Bank | Prime Rate
Ceded Credit Risk [Line Items]
Basis spread on variable rate					1.00%
Oclaro Technology Limited | Silicon Valley Bank | Loan Agreement
Ceded Credit Risk [Line Items]
Percentage of eligible accounts for advances					80.00%
Oclaro Technology Limited | Silicon Valley Bank | Loan Agreement | First Year after Closing
Ceded Credit Risk [Line Items]
Termination fee, percent					1.00%
Oclaro Technology Limited | Silicon Valley Bank | Loan Agreement | Second Year after Closing
Ceded Credit Risk [Line Items]
Termination fee, percent					0.75%
Oclaro Technology Limited | Silicon Valley Bank | Loan Agreement | Third Year after Closing
Ceded Credit Risk [Line Items]
Termination fee, percent					0.50%
Oclaro Technology Limited | Silicon Valley Bank | Loan Agreement | Revolving Credit Facility
Ceded Credit Risk [Line Items]
Debt term					3 years
Line of credit, maximum borrowing capacity					40,000,000
Amounts outstanding under credit agreement						0
Oclaro Technology Limited | Silicon Valley Bank | Loan Agreement | Letters of Credit, Foreign Exchange Contracts and Cash Management Services
Ceded Credit Risk [Line Items]
Line of credit, maximum borrowing capacity					$ 10,000,000