Acquisitions (Tables)

12 Months Ended

Dec. 31, 2011

Schedule of Business Acquisitions by Acquisition (Table) [Abstract]

Acquisitions

Purchase price allocation:
Current assets	$	7,919
Other non-current assets		6,940
Intangible assets		31,332
Goodwill		42,766
Current liabilities		(13,014)
Non-current liabilities		(10,793)
Purchase price, net of cash acquired	$	65,150