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OPERATING SEGMENT, GEOGRAPHIC AND SIGNIFICANT CUSTOMER INFORMATION (Tables) | 62 Months Ended
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Dec. 31, 2012
Segment Information | Segment information for the years ended December 31, 2012, 2011 and 2010 is as follows:
|  | Semiconductor Test |  |  | Wireless Test |  |  | Systems Test Group |  |  | Corporate And Eliminations |  |  | Consolidated |
|  | (in thousands) |
2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenue |  | $ | 1,127,726 |  |  | $ | 286,355 |  |  | $ | 242,669 |  |  | $ | — |  |  | $ | 1,656,750 |
Income (loss) from continuing operations before taxes (1)(2) |  |  | 185,985 |  |  |  | 83,077 |  |  |  | 34,164 |  |  |  | (37,250 | ) |  |  | 265,976 |
Total assets from continuing operations (3) |  |  | 604,127 |  |  |  | 672,048 |  |  |  | 71,116 |  |  |  | 1,082,054 |  |  |  | 2,429,345 |
Property additions (4) |  |  | 96,590 |  |  |  | 7,608 |  |  |  | 5,146 |  |  |  | 9,736 |  |  |  | 119,080 |
Depreciation and amortization expense (4) |  |  | 67,922 |  |  |  | 50,242 |  |  |  | 3,747 |  |  |  | 20,888 |  |  |  | 142,799 |
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenue |  | $ | 1,106,191 |  |  | $ | 28,390 |  |  | $ | 294,480 |  |  | $ | — |  |  | $ | 1,429,061 |
Income (loss) from continuing operations before taxes (1)(2) |  |  | 212,201 |  |  |  | (20,579 | ) |  |  | 51,802 |  |  |  | (29,003 | ) |  |  | 214,421 |
Total assets from continuing operations (3) |  |  | 581,026 |  |  |  | 725,940 |  |  |  | 77,277 |  |  |  | 804,396 |  |  |  | 2,188,639 |
Property additions (4) |  |  | 76,164 |  |  |  | 794 |  |  |  | 4,043 |  |  |  | 5,096 |  |  |  | 86,097 |
Depreciation and amortization expense (4) |  |  | 60,985 |  |  |  | 13,057 |  |  |  | 1,857 |  |  |  | 28,479 |  |  |  | 104,378 |
2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenue |  | $ | 1,413,295 |  |  | $ | — |  |  | $ | 152,867 |  |  | $ | — |  |  | $ | 1,566,162 |
Income (loss) from continuing operations before taxes (1)(2) |  |  | 414,994 |  |  |  | — |  |  |  | (8,877 | ) |  |  | (9,770 | ) |  |  | 396,347 |
Total assets from continuing operations (3) |  |  | 611,694 |  |  |  | — |  |  |  | 95,402 |  |  |  | 1,094,077 |  |  |  | 1,801,173 |
Property additions (4) |  |  | 69,935 |  |  |  | — |  |  |  | 3,142 |  |  |  | 2,967 |  |  |  | 76,044 |
Depreciation and amortization expense (4) |  |  | 66,709 |  |  |  | — |  |  |  | 1,854 |  |  |  | 24,953 |  |  |  | 93,516 |
| (1) | Interest income, interest expense and other, and pension and postretirement plans actuarial gains and losses are included in Corporate and Eliminations.
| (2) | Included in income (loss) from continuing operations before taxes are charges and credits related to restructuring and other, net and inventory charges.
| (3) | Total business assets are directly attributable to each business. Corporate assets consist of cash and cash equivalents, marketable securities, unallocated fixed assets of support departments, common facilities and certain other assets.
| (4) | Corporate property additions and depreciation and amortization expense include items attributable to the unallocated fixed assets of support departments and common facilities.
Revenue in Different Geographical Areas | Information as to Teradyne’s revenues in different geographical areas is as follows:
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (in thousands) |
Revenues from customers (1): |  |  |  |  |  |  |  |  |  |  |  |
China |  | $ | 354,076 |  |  | $ | 180,441 |  |  | $ | 136,628 |
Taiwan |  |  | 303,360 |  |  |  | 172,700 |  |  |  | 286,138 |
United States |  |  | 233,573 |  |  |  | 221,895 |  |  |  | 235,171 |
Korea |  |  | 225,099 |  |  |  | 145,958 |  |  |  | 124,738 |
Japan |  |  | 105,981 |  |  |  | 148,699 |  |  |  | 77,518 |
Philippines |  |  | 106,609 |  |  |  | 130,484 |  |  |  | 185,533 |
Europe |  |  | 84,508 |  |  |  | 101,208 |  |  |  | 99,580 |
Singapore |  |  | 80,571 |  |  |  | 90,622 |  |  |  | 145,543 |
Thailand |  |  | 76,069 |  |  |  | 80,539 |  |  |  | 56,978 |
Malaysia |  |  | 71,151 |  |  |  | 138,107 |  |  |  | 207,471 |
Rest of the World |  |  | 15,753 |  |  |  | 18,408 |  |  |  | 10,864 |
|  | $ | 1,656,750 |  |  | $ | 1,429,061 |  |  | $ | 1,566,162 |
(1) | Revenues are attributable to geographic areas based on location of customer site.
Long-Lived Assets by Geographic Area | Long-lived assets by geographic area:
|  | United States |  |  | Foreign Countries |  |  | Total |
|  | (in thousands) |
December 31, 2012 |  | $ | 211,422 |  |  | $ | 54,360 |  |  | $ | 265,782 |
December 31, 2011 |  |  | 192,336 |  |  |  | 39,871 |  |  |  | 232,207 |
Semiconductor Test |
Schedule Of Segment Reporting Information By Segment Charges | Included in the Semiconductor Test segment are charges and credits in the following accounts:
|  | For the Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (in thousands) |
Cost of revenues—inventory charge (1) |  | $ | 18,433 |  |  | $ | 10,370 |  |  | $ | 4,521 |
Restructuring and other, net |  |  | 386 |  |  |  | 2,142 |  |  |  | 1,437 |
(1) | Included in the cost of revenues for the years ended December 31, 2012 and 2011 are charges for excess inventory provisions recorded primarily as a result of product transition.
Systems Test Group |
Schedule Of Segment Reporting Information By Segment Charges | Included in the Systems Test Group segment are charges and credits in the following accounts:
|  | For the Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (in thousands) |
Cost of revenues—inventory charge |  | $ | 4,271 |  |  | $ | 1,090 |  |  | $ | 1,450 |
Restructuring and other, net |  |  | 451 |  |  |  | (300 | ) |  |  | (2,133 | )
Wireless Test |
Schedule Of Segment Reporting Information By Segment Charges | Included in the Wireless Test segment are charges and credits in the following accounts:
|  | For the Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (in thousands) |
Cost of revenues—inventory step-up (1) |  | $ | 6,089 |  |  | $ | 12,178 |  |  |  | — |
Cost of revenues—inventory charge |  |  | 4,145 |  |  |  | 141 |  |  |  | — |
Restructuring and other, net |  |  | 236 |  |  |  | — |  |  |  | — |
(1) | Included in the cost of revenues for the years ended December 31, 2012 and 2011 is the cost for purchase accounting inventory step-up.
Corporate And Eliminations |
Schedule Of Segment Reporting Information By Segment Charges | Included in the Corporate and Eliminations segment are charges and credits in the following accounts:
|  | For the Year Ended December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (in thousands) |
Restructuring and other, net |  | $ | (8,794 | ) |  | $ | 4,901 |  |  | $ | (3,104 | )

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