XML 47 R45.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Future minimum commitments under the lease agreements      
2013 $ 39,892    
2014 35,375    
2015 31,773    
2016 28,448    
2017 26,248    
Thereafter 59,867    
Total 221,603    
Composition of total rental expense      
Minimum rentals 37,270 26,645 18,551
Contingent rentals 9,366 6,085 2,496
Total $ 46,636 $ 32,730 $ 21,047
Maximum
     
Commitments and Contingencies      
Term of renewal options range (in years) 10    
Minimum
     
Commitments and Contingencies      
Term of renewal options range (in years) 1