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## 17. SEGMENT AND GEOGRAPHIC INFORMATION (continued) 

Sales to unaffiliated customers are as follows (in thousands): 

## COHERENT, INC. AND SUBSIDIARIES NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued) 

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Long-lived assets, which include all non-current assets other than goodwill, intangibles, non-current restricted cash, our investment in 3D- Micromac AG and deferred taxes, by geographic region, are as follows (in thousands): 

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## Major Customers 

We had one major customer who accounted for 16.8%, 25.8% and 22.9% of consolidated revenue during fiscal 2019, 2018 and 2017, respectively. The customer purchased primarily from our OLS segment. 

## 18. RESTRUCTURING CHARGES 

In the first quarter of fiscal 2017, we began the implementation of planned restructuring activities in connection with the acquisition of Rofin. The activities under this plan primarily related to exiting our legacy high power fiber laser product line, change of control payments to Rofin officers, the exiting of two product lines acquired in the acquisition of Rofin, realignment of our supply chain due to segment reorganization and consolidation of sales and distribution offices as well as certain manufacturing sites. These activities resulted in charges primarily for employee termination, other exit related costs associated with the write-off of property and equipment and inventory and early lease termination costs. 

In June 2019, we announced our plans to co-locate the manufacturing and engineering of our HPFL products at our Hamburg, Germany, facility to our Tampere, Finland, location and exit a portion of our HPFL business, expected to be completed during fiscal 2020. In conjunction with this announcement, we recorded charges in the third and fourth quarters of fiscal 2019 totaling $19.7 million primarily related to write-offs of excess inventory, which is recorded in cost of sales, and estimated severance. 

