Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies

Schedule of minimum future lease obligations on long-term non-cancelable operating leases

The Company leases facilities and equipment from unrelated parties under operating leases. Minimum future lease obligations on long-term non-cancelable operating leases in effect at December 31, 2012 are approximately as follows (in thousands):

2013	$	121,272
2014		96,714
2015		72,666
2016		53,946
2017		41,467
Thereafter		288,963
	$	675,028