Credit Line and Notes - Additional Information (Detail)	0 Months Ended				1 Months Ended	12 Months Ended							0 Months Ended	12 Months Ended		3 Months Ended		0 Months Ended	1 Months Ended		0 Months Ended				12 Months Ended	3 Months Ended				0 Months Ended	12 Months Ended					12 Months Ended					0 Months Ended				0 Months Ended					0 Months Ended
	Mar. 28, 2014	Aug. 21, 2013 USD ($)	May 06, 2013 USD ($)	Jan. 23, 2013	Nov. 30, 2012 USD ($)	Jun. 28, 2014 USD ($)	Jun. 29, 2013 USD ($)	Jun. 30, 2012 USD ($)	Jun. 29, 2013 Opnext USD ($)	Jun. 28, 2014 Convertible Notes Payable [Member] USD ($)	Jun. 29, 2013 Convertible Notes Payable [Member] USD ($)	Jun. 28, 2014 Discontinued Operation USD ($)	Dec. 14, 2012 7.50 % Exchangeable Senior Secured Second Lien Notes USD ($)	Jun. 28, 2014 7.50 % Exchangeable Senior Secured Second Lien Notes USD ($)	Jun. 29, 2013 7.50 % Exchangeable Senior Secured Second Lien Notes USD ($)	Dec. 28, 2013 7.50 % Exchangeable Senior Secured Second Lien Notes Convertible Notes Payable [Member] USD ($)	Jun. 28, 2014 7.50 % Exchangeable Senior Secured Second Lien Notes Convertible Notes Payable [Member] USD ($)	Jan. 23, 2013 Maximum 7.50 % Exchangeable Senior Secured Second Lien Notes	Nov. 30, 2012 Before Amendment USD ($)	Jan. 23, 2013 First Amendment 7.50 % Exchangeable Senior Secured Second Lien Notes USD ($)	Dec. 14, 2012 On or after December 15, 2013 7.50 % Exchangeable Senior Secured Second Lien Notes USD ($)	Dec. 14, 2012 On or after December 15, 2013 Minimum 7.50 % Exchangeable Senior Secured Second Lien Notes	Dec. 19, 2013 Convertible Notes 7.50 % Exchangeable Senior Secured Second Lien Notes	Dec. 19, 2013 Convertible Notes 7.50 % Exchangeable Senior Secured Second Lien Notes USD ($)	Jun. 28, 2014 Convertible Notes 7.50 % Exchangeable Senior Secured Second Lien Notes Interest (Income) Expense, Net USD ($)	Jun. 29, 2013 Notes Payable to Banks Opnext USD ($)	Jul. 23, 2012 Notes Payable to Banks Opnext USD ($)	Jul. 23, 2012 Notes Payable to Banks Opnext JPY (¥)	May 06, 2013 Revolving Credit Facility Minimum USD ($)	Mar. 28, 2014 Senior Secured Credit Facility	Jun. 28, 2014 Senior Secured Credit Facility USD ($)	Jun. 29, 2013 Senior Secured Credit Facility USD ($)	May 06, 2013 Senior Secured Credit Facility USD ($)	Jan. 23, 2013 Senior Secured Credit Facility USD ($)	Jan. 23, 2013 Senior Secured Credit Facility Additional Revolving Credit Facility USD ($)	Jun. 28, 2014 Senior Secured Credit Facility Lender Fee USD ($)	Jun. 28, 2014 Senior Secured Credit Facility Closing Fee USD ($)	Jun. 28, 2014 Senior Secured Credit Facility LIBOR	Mar. 28, 2014 Senior Secured Credit Facility LIBOR	May 06, 2013 Senior Secured Credit Facility Before Amendment USD ($)	Jan. 23, 2013 Senior Secured Credit Facility Arrangement Fee USD ($)	May 06, 2013 Senior Secured Credit Facility Eliminated Borrower's option to increase the revolving credit facility USD ($)	May 06, 2013 Senior Secured Credit Facility Removed Availability Financial Covenant USD ($)	May 06, 2013 Senior Secured Credit Facility Removed Availability Financial Covenant Minimum USD ($)	May 06, 2013 Senior Secured Credit Facility Providing for payments and proceeds of asset sales to be applied to the revolving credit facility and the Term Loan First Payment Wells Fargo and SVB USD ($)	May 06, 2013 Senior Secured Credit Facility Providing for payments and proceeds of asset sales to be applied to the revolving credit facility and the Term Loan Second Payment USD ($)	May 06, 2013 Term Loans USD ($)	Jun. 28, 2014 Term Loans USD ($)	Jun. 29, 2013 Term Loans USD ($)	May 06, 2013 Term Loans Payment in Kind (PIK) Note Period 1	May 06, 2013 Term Loans Payment in Kind (PIK) Note Period 2	May 06, 2013 Term Loans Payment in Kind (PIK) Note Period 3	May 06, 2013 Term Loans Cash Term Loan Period 1	May 06, 2013 Term Loans Cash Term Loan Period 2	May 06, 2013 Term Loans Cash Term Loan Period 3	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank USD ($)	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Minimum USD ($)	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Loan Agreement [Member]	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Loan Agreement [Member] First Year after Closing	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Loan Agreement [Member] Second Year after Closing	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Loan Agreement [Member] Third Year after Closing	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Revolving Credit Facility Loan Agreement [Member] USD ($)	Jun. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Revolving Credit Facility Loan Agreement [Member] USD ($)	Mar. 28, 2014 Oclaro Technology Limited Silicon Valley Bank Letters of Credit, Foreign Exchange Contracts and Cash Management Services [Member] Loan Agreement [Member] USD ($)
Ceded Credit Risk [Line Items]
Term of debt																																															1 year															3 years
Facility size																																	$ 50,000,000	$ 50,000,000	$ 80,000,000					$ 80,000,000							$ 25,000,000															$ 40,000,000		$ 10,000,000
Percentage of eligible accounts for advances																																																										80.00%
Increase or decrease in interest rate margins																																						2.50%	2.25%
Bank's prime rate	2.00%																													1.00%	1.25%
Minimum net cash required under loan agreement																																																								15,000,000
Increase in interest rate under loan agreement																																																								0.75%
Interest expense paid						10,437,000	2,496,000	743,000		900,000	900,000			900,000																	300,000	1,200,000																									45,000
Minimum fixed charge coverage ratio																																																										1.10
Termination fee, percent																																																											1.00%	0.75%	0.50%
Amounts outstanding under credit agreement						0	39,964,000																																					15,000,000				0	24,600,000														0
Closing fee			2,100,000																																	200,000	300,000				200,000
Servicing fee																															4,000
Unused line fee																															37.50%
Increase in revolving credit facility					50,000,000														45,000,000																							100,000,000
Extending the term					Nov. 02, 2017
Agreement date				Jan. 23, 2013
Principal value of the liability component														0	25,000,000					25,000,000.0				1,000
Advance available based on eligible accounts receivable																		85.00%
Line of credit facility, current borrowing capacity																													10,000,000
Line of credit, financial covenant required qualified cash balances		25,000,000																																									15,000,000
Proceeds of asset sales to be applied to revolving credit facility and Term Loan						2,120,000	26,000,000	3,900,000																																					20,000,000.0	25,000,000.0
Term loan interest rate																																																		2.00%	4.00%	5.00%	7.00%	8.50%	10.00%
Amendment fee			500,000
Credit agreement covenants minimum liquidity requirement value		45,000,000
Payments of debt amendment fees		700,000
Other noncash expense												4,800,000				1,800,000
Weighted average interest rate							2.90%																																										9.00%
Private placement offering													25,000,000
Interest rate of private placement													7.50%
Net proceeds of private placement													22,800,000
Common stock trading days																						20 days
Common stock consecutive trading days																					30 days
Discount rate on notes																					0.50%
Initial exchange price																					$ 1.846
Conversion of shares																							541.7118
Number of shares of common stock issued in the exchange																							13,542,791
Debt redemption charges																									8,300,000
Debt discount														0	2,010,000		1,300,000
Business acquisition, liabilities assumed																											19,200,000	1,500,000,000
Repayment of note payable																										14,700,000
Outstanding loan balance									0
Interest expense									$ 300,000
Interest									1.70%