Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments for Minimum Lease Payments Under Non Cancelable Operating Leases

Commitments for minimum lease payments under non-cancelable operating leases as of December 31, 2012 are as follows (in thousands):

2013	$	12,914
2014		10,571
2015		5,849
2016		2,639
2017		1,717
Thereafter		313
	$	34,003

Future Purchase Commitments

Future purchase commitments as of December 31, 2012, are as follows (in thousands):

2013	$	50,097
2014		24,459
2015		3,363
2016		893
2017		406
Thereafter		—
	$	79,218