Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

The future minimum annual cash payments under non-cancelable operating lease agreements at December 31, 2012, are as follows (in thousands):

Year ended December 31,
2013	$	37,820
2014		31,660
2015		22,295
2016		14,680
2017		9,910
Thereafter		75,055
Total minimum lease payments (1)	$	191,420