v2.4.0.8
Aging of Accounts Receivable (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Sep. 30, 2012
Debt Disclosure [Abstract]    
Accounts receivable, trade, Current and Less Than 30 Days Past Due $ 1,852,563 $ 1,595,483
Accounts receivable, trade, 30-59 Days Past Due 50,691 32,031
Accounts receivable, trade, 60-89 Days Past Due 10,718 6,123
Accounts receivable, trade, Greater Than 90 Days Past Due 8,596 7,130
Accounts receivable, trade, Total $ 1,922,568 $ 1,640,767
Percent of total, Current and Less Than 30 Days Past Due 96.40% 97.20%
Percent of total, 30-59 Days Past Due 2.60% 2.00%
Percent of total, 60-89 Days Past Due 0.60% 0.40%
Percent of total, Greater Than 90 Days Past Due 0.40% 0.40%