Long Term Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Schedule of Long-term Debt

Long-term debt consists of the following at December 31,:

	2011		2012
Revolving line of credit	$	80,000	$	153,000
Term loan borrowings on senior credit facility	53,588		—
2.50% convertible senior subordinated notes	327		227
Mortgage notes	9,594		8,625
Total long-term debt	143,509		161,852
Less:  Current portion	54,557		1,050
	$	88,952	$	160,802

Schedule of Maturities of Long-term Debt

The scheduled  maturities  of  long-term debt outstanding at December 31, 2012 are as follows:

2013	$	1,050
2014	1,367
2015	1,234
2016	1,339
2017	1,452
Thereafter	155,410