Annual report pursuant to Section 13 and 15(d)

SEGMENT INFORMATION - Information about the Company's Operations by Geographic Area (Details)

v3.5.0.2
SEGMENT INFORMATION - Information about the Company's Operations by Geographic Area (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales to external customers $ 376,995 $ 382,061 $ 367,176 $ 354,232 $ 368,338 $ 364,752 $ 349,394 $ 343,584 $ 1,480,464 $ 1,426,068 $ 1,106,597
Long-lived assets 1,464,822       1,498,136       1,464,822 1,498,136 1,410,644
Reportable Geographical Components | United States                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales to external customers                 1,018,129 936,513 676,764
Long-lived assets 1,000,870       1,016,703       1,000,870 1,016,703 918,996
Reportable Geographical Components | Central and South America                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales to external customers                 10,160 8,806 3,272
Long-lived assets 13,267       17,488       13,267 17,488 10,739
Reportable Geographical Components | Canada                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales to external customers                 27,589 30,367 14,471
Long-lived assets 41,393       41,690       41,393 41,690 36,543
Reportable Geographical Components | Europe                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales to external customers                 360,678 398,533 380,229
Long-lived assets 334,847       349,533       334,847 349,533 391,944
Reportable Geographical Components | Australia                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales to external customers                 20,043 21,225 13,994
Long-lived assets 23,768       22,072       23,768 22,072 21,300
Reportable Geographical Components | Asia                      
Revenues from External Customers and Long-Lived Assets [Line Items]                      
Sales to external customers                 43,865 30,624 17,867
Long-lived assets $ 50,677       $ 50,650       $ 50,677 $ 50,650 $ 31,122