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Leases
12 Months Ended
Dec. 31, 2012
Leases [Abstract]  
Leases of Lessee Disclosure
Leases
The Company leases certain equipment and facilities under non-cancelable operating leases. Rental expense for the Company totaled approximately $22.8 million in 2012, $18.9 million in 2011 and $14.8 million in 2010.
Minimum payments for operating leases having initial or remaining non-cancelable lease terms in excess of one year at December 31, 2012, including approximately $2.4 million annually related to discontinued operations, are summarized below:
Year ended December 31,
 
(dollars in
thousands)
2013
 
$
23,290

2014
 
22,250

2015
 
20,160

2016
 
17,600

2017
 
16,480

Thereafter
 
54,830

Total
 
$
154,610