|
Inventories (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
|
Dec. 31, 2014
|
|---|---|---|
| Net Components of Inventory | ||
| Raw materials | $ 427,937 | $ 352,928 |
| Work in process | 748,713 | 687,343 |
| Finished goods | 265,807 | 265,439 |
| Less: Progress billings | (245,418) | (230,058) |
| Less: Excess and obsolete reserve | (78,099) | (80,088) |
| Inventories, net | $ 1,118,940 | $ 995,564 |