Summary of Significant Accounting Policies	6 Months Ended
Jul. 01, 2016
Accounting Policies [Abstract]
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation – The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information (Accounting Standards Codification (“ASC”) 270, Interim Reporting) and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, these financial statements do not include all of the information necessary for a full presentation of financial position, results of operations, and cash flows in conformity with accounting principles generally accepted in the United States of America (“GAAP”). Operating results for interim periods are not necessarily indicative of results that may be expected for the fiscal year as a whole. In the opinion of management, the condensed consolidated financial statements reflect all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation of the results of Integer Holdings Corporation and its subsidiaries (collectively “Integer” or the “Company”) for the periods presented. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, sales, expenses, and related disclosures at the date of the financial statements and during the reporting period. Actual results could differ materially from these estimates. The January 1, 2016 condensed consolidated balance sheet data was derived from the Company’s audited consolidated financial statements but does not include all disclosures required by GAAP. For further information, refer to the consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the year ended January 1, 2016. The Company utilizes a fifty-two, fifty-three week fiscal year ending on the Friday nearest December 31. The second quarter of 2016 and 2015 each contained 13 weeks, and ended on July 1, and July 3, respectively. Effective June 30, 2016, the Company changed its name from Greatbatch, Inc. to Integer Holdings Corporation. The new name represents the union of the Greatbatch Medical, Lake Region Medical and Electrochem brands. Integer, as in whole or complete, signifies the Company’s more comprehensive products and service offerings, and a new dimension in its combined capabilities. Nature of Operations – On October 27, 2015, the Company acquired all of the outstanding common stock of Lake Region Medical Holdings, Inc. (“Lake Region Medical”). As a result, the Company now has three reportable segments: Greatbatch Medical, QiG Group (“QiG”) and Lake Region Medical. On March 14, 2016, Integer completed the spin-off of a portion of its QiG segment through a tax-free distribution of all of the shares of its QiG Group, LLC subsidiary to the stockholders of Integer on a pro rata basis (the “Spin-off”). See Note 2 “Divestiture and Acquisition” for further description of these transactions. As a result of the Lake Region Medical acquisition and the Spin-off, the Company is in the process of re-evaluating its internal financial reporting structure, which may change its product line and segment reporting in the future. This process is expected to be finalized in 2016. Greatbatch Medical designs and manufactures products where the Company either owns the intellectual property or has unique manufacturing and assembly expertise. These products include medical devices and components for the cardiac, neuromodulation, orthopedics, portable medical, vascular and energy markets among others. The QiG segment focuses on the design and development of complete medical device systems and components. QiG seeks to assist customers in accelerating the velocity of innovation while delivering an optimized supply chain and critical cost efficiencies. The medical devices QiG designs and develops are full product solutions that utilize the medical technology expertise and capabilities residing within Greatbatch Medical and Lake Region Medical. See Note 2 “Divestiture and Acquisition” for further description of the Spin-off and how it impacted the Company’s QiG segment. Lake Region Medical has operated as a segment of Integer since it was acquired during the fourth quarter of 2015. This segment specializes in the design, development, and manufacturing of products across the medical component and device spectrum, primarily serving the cardio, vascular and advanced surgical markets. Lake Region Medical offers fully integrated outsourced manufacturing, regulatory and engineering services, contract manufacturing, finished device assembly services, original device development, and supply chain management to its customers. The Company’s customers include large multi-national original equipment manufacturers (“OEMs”) and their affiliated subsidiaries.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation – The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information (Accounting Standards Codification (“ASC”) 270, Interim Reporting) and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, these financial statements do not include all of the information necessary for a full presentation of financial position, results of operations, and cash flows in conformity with accounting principles generally accepted in the United States of America (“GAAP”). Operating results for interim periods are not necessarily indicative of results that may be expected for the fiscal year as a whole. In the opinion of management, the condensed consolidated financial statements reflect all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation of the results of Integer Holdings Corporation and its subsidiaries (collectively “Integer” or the “Company”) for the periods presented. The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, sales, expenses, and related disclosures at the date of the financial statements and during the reporting period. Actual results could differ materially from these estimates. The January 1, 2016 condensed consolidated balance sheet data was derived from the Company’s audited consolidated financial statements but does not include all disclosures required by GAAP. For further information, refer to the consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the year ended January 1, 2016. The Company utilizes a fifty-two, fifty-three week fiscal year ending on the Friday nearest December 31. The second quarter of 2016 and 2015 each contained 13 weeks, and ended on July 1, and July 3, respectively.

Effective June 30, 2016, the Company changed its name from Greatbatch, Inc. to Integer Holdings Corporation. The new name represents the union of the Greatbatch Medical, Lake Region Medical and Electrochem brands. Integer, as in whole or complete, signifies the Company’s more comprehensive products and service offerings, and a new dimension in its combined capabilities.

Nature of Operations – On October 27, 2015, the Company acquired all of the outstanding common stock of Lake Region Medical Holdings, Inc. (“Lake Region Medical”). As a result, the Company now has three reportable segments: Greatbatch Medical, QiG Group (“QiG”) and Lake Region Medical. On March 14, 2016, Integer completed the spin-off of a portion of its QiG segment through a tax-free distribution of all of the shares of its QiG Group, LLC subsidiary to the stockholders of Integer on a pro rata basis (the “Spin-off”). See Note 2 “Divestiture and Acquisition” for further description of these transactions. As a result of the Lake Region Medical acquisition and the Spin-off, the Company is in the process of re-evaluating its internal financial reporting structure, which may change its product line and segment reporting in the future. This process is expected to be finalized in 2016.

Greatbatch Medical designs and manufactures products where the Company either owns the intellectual property or has unique manufacturing and assembly expertise. These products include medical devices and components for the cardiac, neuromodulation, orthopedics, portable medical, vascular and energy markets among others.

The QiG segment focuses on the design and development of complete medical device systems and components. QiG seeks to assist customers in accelerating the velocity of innovation while delivering an optimized supply chain and critical cost efficiencies. The medical devices QiG designs and develops are full product solutions that utilize the medical technology expertise and capabilities residing within Greatbatch Medical and Lake Region Medical. See Note 2 “Divestiture and Acquisition” for further description of the Spin-off and how it impacted the Company’s QiG segment.

Lake Region Medical has operated as a segment of Integer since it was acquired during the fourth quarter of 2015. This segment specializes in the design, development, and manufacturing of products across the medical component and device spectrum, primarily serving the cardio, vascular and advanced surgical markets. Lake Region Medical offers fully integrated outsourced manufacturing, regulatory and engineering services, contract manufacturing, finished device assembly services, original device development, and supply chain management to its customers.

The Company’s customers include large multi-national original equipment manufacturers (“OEMs”) and their affiliated subsidiaries.