|
Acquisitions (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2014
|
Mar. 31, 2013
|
Dec. 31, 2013
|
|
| Business Acquisition [Line Items] | |||
| Acquisition of business, net of cash acquired | $ (1,144) | $ 0 | |
| Goodwill | 2,203,409 | 2,204,553 | |
|
Agero, Inc. [Member]
|
|||
| Business Acquisition [Line Items] | |||
| Acquisition of business, net of cash acquired | (1,144) | ||
| Decrease in goodwill due to working capital adjustment | 1,144 | ||
| Goodwill | $ 388,318 | ||
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|