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Quarterly Results Of Operations (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 162,847 |  | $ 150,800 |  | $ 162,295 |  | $ 171,872 |  | $ 176,235 |  | $ 171,733 |  | $ 146,041 |  | $ 146,858 |  | $ 647,814 |  | $ 640,867 |  | $ 690,741
Gross profit | 25,746 |  | 29,642 |  | 34,928 |  | 35,158 |  | 39,954 |  | 36,593 |  | 29,543 |  | 32,402 |  | 125,474 |  | 138,492 |  | 132,803
Income from continuing operations | 2,429 |  | 2,947 |  | 6,976 |  | 7,268 |  | 17,334 |  | 9,083 |  | 6,202 |  | 7,120 |  | 19,620 |  | 39,739 |  | 28,743
Net income | $ 2,429 |  | $ 2,947 |  | $ 15,593 |  | $ 8,255 |  | $ 18,568 |  | $ 9,305 |  | $ 6,818 |  | $ 7,385 |  | $ 29,224 |  | $ 42,076 |  | $ 29,657
Earnings per share ─ continuing operations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations | $ 0.20 |  | $ 0.25 |  | $ 0.58 |  | $ 0.61 |  | $ 1.45 |  | $ 0.76 |  | $ 0.52 |  | $ 0.60 |  | $ 1.63 |  | $ 3.32 |  | $ 2.43
Continuing operations | $ 0.20 |  | $ 0.24 |  | $ 0.58 |  | $ 0.60 |  | $ 1.44 |  | $ 0.76 |  | $ 0.52 |  | $ 0.60 |  | $ 1.62 |  | $ 3.32 |  | $ 2.41
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ 0.20 | [1] | $ 0.25 | [1] | $ 1.30 | [1] | $ 0.69 | [1] | $ 1.55 | [2] | $ 0.78 | [2] | $ 0.57 | [2] | $ 0.62 | [2] | $ 2.43 | [1] | $ 3.52 | [2] | $ 2.50
Diluted | $ 0.20 | [1] | $ 0.24 | [1] | $ 1.29 | [1] | $ 0.68 | [1] | $ 1.54 | [2] | $ 0.78 | [2] | $ 0.57 | [2] | $ 0.62 | [2] | $ 2.42 | [1] | $ 3.51 | [2] | $ 2.49
[1] | The increase in earnings per share for the second quarter of Fiscal 2014 was primarily due to the sale of Transdyn. For additional information on this disposition, see Note N.
[2] | The increase in earnings per share for the fourth quarter of Fiscal 2013 was primarily driven by the release of our Canadian valuation allowance. For an explanation of the effective tax rate in Fiscal 2013, see Note H.

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