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v2.4.0.6

Segment Information (Details 1) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | --- | ---
Long-lived Assets |  |  |
Fixed assets, net | $ 52,914 | $ 47,737 |
Goodwill and Intangible Assets |  |  |
Goodwill and Intangibles | 783,314 | 663,224 | 581,621
United States [Member] |  |  |
Long-lived Assets |  |  |
Fixed assets, net | 45,068 | 39,555 |
Goodwill and Intangible Assets |  |  |
Goodwill and Intangibles | 698,083 | 577,388 |
Canada [Member] |  |  |
Long-lived Assets |  |  |
Fixed assets, net | 6,145 | 7,003 |
Goodwill and Intangible Assets |  |  |
Goodwill and Intangibles | 85,231 | 85,836 |
Other Geographical Location [Member] |  |  |
Long-lived Assets |  |  |
Fixed assets, net | 1,701 | 1,179 |
Goodwill and Intangible Assets |  |  |
Goodwill and Intangibles | $ 0 | $ 0 |

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