Annual report pursuant to section 13 and 15(d)

Acquisitions (Contingent Consideration Classified As Accounts Payable And Accrued Liabilities) (Details)

Acquisitions (Contingent Consideration Classified As Accounts Payable And Accrued Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Nov. 04, 2011
Fair value of contingent consideration	$ 812	$ 7,111		$ 7,111
Change in fair value of contingent consideration	(7,111)	0	0
Fair value of contingent consideration in connection with 2012 acquisition	$ 812

- Definition

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

+ References

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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+ Details