| Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|
|
|
November
30,
2012
|
|
|
August
31,
2012
|
|
|
Trade
accounts receivable, net
|
|
$
|
458,432
|
|
|
$
|
405,061
|
|
|
Unbilled
accounts receivable
|
|
|
7,701
|
|
|
|
821
|
|
|
Retainage
|
|
|
7,239
|
|
|
|
10,607
|
|
|
Total
accounts receivable, including retainage, net
|
|
$
|
473,372
|
|
|
$
|
416,489
|
|
|
| Schedule of Inventory, Current [Table Text Block] |
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|
|
November
30, 2012
|
|
|
August
31, 2012
|
|
|
|
|
Weighted
Average
|
|
|
FIFO
|
|
|
Total
|
|
|
Weighted
Average
|
|
|
FIFO
|
|
|
Total
|
|
|
Raw
materials
|
|
$
|
14,742
|
|
|
$
|
145,094
|
|
|
$
|
159,836
|
|
|
$
|
19,355
|
|
|
$
|
139,178
|
|
|
$
|
158,533
|
|
|
Work
in process
|
|
|
2,952
|
|
|
|
34,776
|
|
|
|
37,728
|
|
|
|
3,679
|
|
|
|
30,278
|
|
|
|
33,957
|
|
|
Finished
goods
|
|
|
80,054
|
|
|
|
—
|
|
|
|
80,054
|
|
|
|
81,294
|
|
|
|
—
|
|
|
|
81,294
|
|
|
Total
|
|
$
|
97,748
|
|
|
$
|
179,870
|
|
|
$
|
277,618
|
|
|
$
|
104,328
|
|
|
$
|
169,456
|
|
|
$
|
273,784
|
|
|