Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Rental Expense

A summary of rental expense for the three years ended December 31, 2012, 2011, and 2010, is presented below, as well as the future minimum lease commitments under noncancelable operating leases having an initial term of more than one year (in thousands):

Summary of rental expense	2012			2011			2010
Minimum rentals	$	8,160		$	8,914		$	9,088
Less: Sublease rentals		(1,100	)		(868	)		(938	)
Rental expense	$	7,060		$	8,046		$	8,150

Summary of Future Lease Commitments

Summary of future lease commitments
2013		7,179
2014		6,469
2015		5,275
2016		5,003
2017		4,831
Thereafter		8,491
Minimum payments required (a)	$	37,248

(a) Minimum payments have not been reduced by sublease rentals of $1,919 due in the future under noncancelable subleases.