Segment Reporting Revenue from External Customers by Products and Services (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|
Revenue from External Customer [Line Items] | |||
Revenue, Net | $ 1,248,264 | $ 1,320,184 | $ 1,006,993 |
UNITED STATES
|
|||
Revenue from External Customer [Line Items] | |||
Revenue, Net | 372,014 | 353,416 | 203,438 |
Americas [Member]
|
|||
Revenue from External Customer [Line Items] | |||
Revenue, Net | 195,748 | 252,316 | 177,396 |
Asia Pacific [Member]
|
|||
Revenue from External Customer [Line Items] | |||
Revenue, Net | 235,658 | 240,220 | 193,061 |
Europe Middle East Africa [Member]
|
|||
Revenue from External Customer [Line Items] | |||
Revenue, Net | $ 444,844 | $ 474,232 | $ 433,098 |