Total Debt (Tables)

12 Months Ended

Dec. 31, 2012

Long-term Debt, Unclassified [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

The following table presents our total debt outstanding at December 31, 2012 and 2011 (in thousands):

	As of December 31,
	2012		2011
Total long-term debt:
$375 million revolving credit facility	$	—	$	125,000
Swing line of credit	—		2,563
Total long-term debt	—		127,563
Current maturities of long-term debt:	—		—
$375 million revolving credit facility	205,000		—
Swing line of credit	4,728		—
Current maturities of long-term debt	209,728		—
Total debt	$	209,728	$	127,563

Schedule of Maturities of Long-term Debt [Table Text Block]

Future aggregate maturities of total debt are as follows (in thousands):

Year Ended December 31,
2013	$	209,728
2014	—
2015	—
2016	—
Thereafter	—
Total	$	209,728