Basis of Presentation and Significant Accounting Policies	3 Months Ended
Mar. 28, 2015
Accounting Policies [Abstract]
Basis of Presentation and Significant Accounting Policies	Basis of Presentation and Significant Accounting Policies Infinera Corporation (the "Company") prepared its interim condensed consolidated financial statements that accompany these notes in conformity with U.S. generally accepted accounting principles ("U.S. GAAP") and pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (the "SEC"), consistent in all material respects with those applied in the Company’s Annual Report on Form 10-K for the fiscal year ended December 27, 2014. The Company has made certain estimates, assumptions and judgments that can affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the condensed consolidated financial statements, as well as the reported amounts of revenue and expenses during the periods presented. Significant estimates, assumptions and judgments made by management include revenue recognition, stock-based compensation, inventory valuation, accrued warranty, fair value measurement of investments and accounting for income taxes. Other estimates, assumptions and judgments made by management include allowances for sales returns, allowances for doubtful accounts, useful life of property, plant and equipment, fair value measurement of the liability component of the convertible senior notes, other-than-temporary impairments and derivative instruments. Management believes that the estimates and judgments upon which they rely are reasonable based upon information available to them at the time that these estimates and judgments are made. To the extent there are material differences between these estimates and actual results, the Company’s consolidated financial statements will be affected. The interim financial information is unaudited, but reflects all adjustments that are, in management’s opinion, necessary to provide a fair presentation of results for the interim periods presented. All adjustments are of a normal recurring nature. The Company reclassified certain amounts reported in previous periods to conform to the current presentation. This interim information should be read in conjunction with the consolidated financial statements in the Company’s Annual Report on Form 10-K for the fiscal year ended December 27, 2014. There have been no material changes in the Company’s significant accounting policies for the three months ended March 28, 2015 as compared to those disclosed in the Company’s Annual Report on Form 10-K for the fiscal year ended December 27, 2014. To date, a few of the Company’s customers have accounted for a significant portion of its revenue. For the three months ended March 28, 2015, two customers individually accounted for 18% and 16% of the Company’s total revenue, respectively. For the three months ended March 29, 2014, two customers individually accounted for 21% and 16% of the Company’s total revenue, respectively.

Basis of Presentation and Significant Accounting Policies

Infinera Corporation (the "Company") prepared its interim condensed consolidated financial statements that accompany these notes in conformity with U.S. generally accepted accounting principles ("U.S. GAAP") and pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (the "SEC"), consistent in all material respects with those applied in the Company’s Annual Report on Form 10-K for the fiscal year ended December 27, 2014.

The Company has made certain estimates, assumptions and judgments that can affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the condensed consolidated financial statements, as well as the reported amounts of revenue and expenses during the periods presented. Significant estimates, assumptions and judgments made by management include revenue recognition, stock-based compensation, inventory valuation, accrued warranty, fair value measurement of investments and accounting for income taxes. Other estimates, assumptions and judgments made by management include allowances for sales returns, allowances for doubtful accounts, useful life of property, plant and equipment, fair value measurement of the liability component of the convertible senior notes, other-than-temporary impairments and derivative instruments. Management believes that the estimates and judgments upon which they rely are reasonable based upon information available to them at the time that these estimates and judgments are made. To the extent there are material differences between these estimates and actual results, the Company’s consolidated financial statements will be affected.

The interim financial information is unaudited, but reflects all adjustments that are, in management’s opinion, necessary to provide a fair presentation of results for the interim periods presented. All adjustments are of a normal recurring nature. The Company reclassified certain amounts reported in previous periods to conform to the current presentation. This interim information should be read in conjunction with the consolidated financial statements in the Company’s Annual Report on Form 10-K for the fiscal year ended December 27, 2014.

There have been no material changes in the Company’s significant accounting policies for the three months ended March 28, 2015 as compared to those disclosed in the Company’s Annual Report on Form 10-K for the fiscal year ended December 27, 2014.

To date, a few of the Company’s customers have accounted for a significant portion of its revenue. For the three months ended March 28, 2015, two customers individually accounted for 18% and 16% of the Company’s total revenue, respectively. For the three months ended March 29, 2014, two customers individually accounted for 21% and 16% of the Company’s total revenue, respectively.