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Fair Value Measurements (Details) (USD $)
In Thousands |
Jun. 30, 2011
|
Sep. 30, 2010
|
|---|---|---|
| Fair Value Measurements | ||
| Current portion of acquisition-related contingent consideration | $ (2,969) | $ (923) |
| Acquisition-related contingent consideration, less current portion | (406) | (2,138) |
| Deferred compensation plan liabilities | (11,507) | (9,893) |
|
Fair Value | Fair value measurements on a recurring basis
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| Fair Value Measurements | ||
| Current portion of acquisition-related contingent consideration | (2,969) | |
| Acquisition-related contingent consideration, less current portion | (406) | |
| Deferred compensation plan liabilities | (11,507) | |
|
Level 2 | Fair value measurements on a recurring basis
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||
| Fair Value Measurements | ||
| Deferred compensation plan liabilities | (11,507) | |
|
Level 3 | Fair value measurements on a recurring basis
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| Fair Value Measurements | ||
| Current portion of acquisition-related contingent consideration | (2,969) | |
| Acquisition-related contingent consideration, less current portion | $ (406) |