|
Income Taxes (Details) (USD $)
|
3 Months Ended |
6 Months Ended |
|
Feb. 28, 2014
|
Feb. 28, 2013
|
Feb. 28, 2014
|
Feb. 28, 2013
|
| Income Tax Contingency [Line Items] |
|
|
|
|
| U.S. statutory federal income tax rate |
$ 3,526,000 |
$ 2,785,000 |
$ 9,546,000 |
$ 8,237,000 |
| U.S. statutory federal income tax rate percentage |
35.00% |
35.00% |
35.00% |
35.00% |
| Impact of foreign taxes at less than U.S. statutory federal income tax rate |
(3,878,000) |
(1,355,000) |
(7,674,000) |
(4,603,000) |
| Impact of foreign taxes at less than U.S. statutory federal income tax rate percentage |
(38.40%) |
(17.00%) |
(28.10%) |
(19.50%) |
| U.S. and foreign losses with no tax benefit |
2,815,000 |
1,161,000 |
4,600,000 |
1,941,000 |
| U.S. and foreign losses with no tax benefit percentage |
27.90% |
14.60% |
16.90% |
8.20% |
| U.S. restructuring and other U.S. charges with no benefit |
868,000 |
231,000 |
1,342,000 |
554,000 |
| U.S. restructuring and other U.S. charges with no benefit percentage |
8.60% |
2.90% |
4.90% |
2.40% |
| Valuation allowance changes |
0 |
(7,049,000) |
0 |
(7,049,000) |
| Valuation allowance changes percentage |
0.00% |
(88.60%) |
0.00% |
(30.00%) |
| Establishment (resolution) of uncertain tax positions |
(70,000) |
(422,000) |
(14,000) |
(253,000) |
| Establishment (resolution) of uncertain tax positions percentage |
(0.70%) |
(5.30%) |
(0.10%) |
(1.10%) |
| Other |
166,000 |
299,000 |
195,000 |
260,000 |
| Other percentage |
1.60% |
3.80% |
0.70% |
1.10% |
| Total income tax expense (benefit) |
3,427,000 |
(4,350,000) |
7,995,000 |
(913,000) |
| Total income tax expense (benefit) percentage |
34.00% |
(54.60%) |
29.30% |
(3.90%) |
| Total unrecognized tax benefits that would impact effective tax rate |
3,800,000 |
|
3,800,000 |
|
| Accrued interest and penalties on unrecognized tax benefits |
1,000,000 |
|
1,000,000 |
|
| Unrecognized tax benefits |
5,500,000 |
|
5,500,000 |
|
|
Mexico Tax Law Change [Member]
|
|
|
|
|
| Income Tax Contingency [Line Items] |
|
|
|
|
| Impact of foreign taxes at less than U.S. statutory federal income tax rate |
$ 800,000 |
|
$ 800,000 |
|