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Goodwill (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
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Sep. 30, 2013
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Sep. 30, 2012
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| Goodwill | ||
| Balance at the beginning of the period | $ 185,771 | $ 40,549 |
| New acquisitions | 27,009 | 144,378 |
| Translation adjustments | (1,069) | 844 |
| Balance at the end of the period | $ 211,711 | $ 185,771 |
| X | ||||||||||
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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