v2.4.1.9

Certain Balance Sheet Components (Text Block) | 12 Months Ended
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Dec. 31, 2014
Balance Sheet Related Disclosures [Abstract] |
Certain Balance Sheet Components [Text Block] | Certain Balance Sheet Components
Accounts receivable, net | December 31, 2014 |  | December 31, 2013
| (in thousands)
Trade receivables (net of allowance of $6,195 and $8,368) | $ | 312,302 |  |  | $ | 328,240 |
Unbilled receivables | 36,087 |  |  | 28,469 |
Total accounts receivable, net | $ | 348,389 |  |  | $ | 356,709 |
At December 31, 2014 and 2013, $4.7 million and $3.2 million were recorded within trade receivables as billed but not yet paid by customers in accordance with contract retainage provisions. At December 31, 2014 and 2013, contract retainage amounts that were unbilled and classified as unbilled receivables were $4.0 million and $4.3 million. These contract retainage amounts within trade receivables and unbilled receivables are expected to be collected within the following 12 months. At December 31, 2014 and 2013, long-term unbilled receivables totaled $4.3 million and $4.7 million. These long-term unbilled receivables are classified within other long-term assets, as collection is not anticipated within the following 12 months. We had no long-term billed contract retainage receivables at December 31, 2014, as we expect to collect all contract retainage receivables within the following 12 months.
Allowance for doubtful account activity | Year Ended December 31,
| 2014 |  | 2013
| (in thousands)
Beginning balance | $ | 8,368 |  |  | $ | 7,372 |
Provision for doubtful accounts, net | 308 |  |  | 1,740 |
Accounts written-off | (1,955 | ) |  | (636 | )
Effects of change in exchange rates | (526 | ) |  | (108 | )
Ending balance | $ | 6,195 |  |  | $ | 8,368 |
Inventories | December 31, 2014 |  | December 31, 2013
| (in thousands)
Materials | $ | 90,557 |  |  | $ | 102,596 |
Work in process | 8,991 |  |  | 13,770 |
Finished goods | 54,956 |  |  | 61,101 |
Total inventories | $ | 154,504 |  |  | $ | 177,467 |
Our inventory levels may vary period to period as a result of our factory scheduling and the timing of contract fulfillments, which may include the buildup of finished goods for shipment. Consigned inventory is held at third-party locations; however, we retain title to the inventory until purchased by the third-party. Consigned inventory, consisting of raw materials and finished goods, was $2.5 million and $6.4 million at December 31, 2014 and 2013, respectively.
Property, plant, and equipment, net | December 31, 2014 |  | December 31, 2013
| (in thousands)
Machinery and equipment | $ | 287,448 |  |  | $ | 309,525 |
Computers and software | 100,212 |  |  | 99,654 |
Buildings, furniture, and improvements | 134,461 |  |  | 145,926 |
Land | 21,186 |  |  | 24,005 |
Construction in progress, including purchased equipment | 21,007 |  |  | 14,257 |
Total cost | 564,314 |  |  | 593,367 |
Accumulated depreciation | (356,525 | ) |  | (346,547 | )
Property, plant, and equipment, net | $ | 207,789 |  |  | $ | 246,820 |
Depreciation expense | Year Ended December 31,
| 2014 |  | 2013 |  | 2012
| (in thousands)
Depreciation expense | $ | 54,759 |  |  | $ | 56,826 |  |  | $ | 61,661 |

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