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Long-Term Debt (Tables)
 9 Months Ended
Sep. 30, 2013
Debt Disclosure [Abstract]  
Schedule of Long-term Debt
senior long-term debt consisted of the following at December 31, 2012 and September 30, 2013 (in thousands):
 
December 31, 2012
 
September 30, 2013
Revolving credit facility, secured, floating rate
$
44,700

 
$
26,000

Term loan, secured, floating rate
127,500

 
120,000

Acquisition debt
2,427

 
2,005

Less: current portion
(11,086
)
 
(12,491
)
Total long-term debt
$
163,541

 
$
135,514