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Business Acquisitions (Details) (USD $)
In Thousands, unless otherwise specified
Nov. 30, 2012
Dec. 31, 2012
Associate Migrations [Member]
The summary of the allocation of the aggregate fair values of the assets acquired and purchase price for the associate migrations    
Equipment   $ 10
Intangible assets, primarily non - compete agreements   171
Working capital, including work in progress   666
Goodwill   695
Fair value of net assets acquired   1,542
Fair value of purchase price $ 100 $ 1,542