XML 19 R57.htm IDEA: XBRL DOCUMENT v2.4.0.6
Operating Segment Information Details 2 (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Sep. 30, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues $ 228,964 $ 203,152 $ 734,115 $ 635,232  
Long-lived assets 500,285 262,258 500,285 262,258 271,494
Domestic Country [Member]
         
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues 188,573 184,903 639,778 587,845  
Long-lived assets 309,168 233,637 309,168 233,637 240,661
Mexico [Member]
         
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues 31,800 15,183 77,927 40,315  
Long-lived assets 138,202 21,326 138,202 21,326 7,888
Canada [Member]
         
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues 4,553 3,066 12,166 7,072  
Long-lived assets 10,133 7,295 10,133 7,295 22,945
U.K. [Member]
         
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues 4,038 0 4,244 0  
Long-lived assets $ 42,782 $ 0 $ 42,782 $ 0 $ 0