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Supplemental disclosures (Details) (USD $)
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9 Months Ended | |||
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Jun. 30, 2014
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Jun. 30, 2013
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Sep. 30, 2013
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Sep. 30, 2012
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| Cash and cash equivalents | ||||
| Cash and cash equivalents | $ 182,942,000 | $ 187,911,000 | $ 125,617,000 | $ 189,312,000 |
| Percentage of cash and cash equivalents in jurisdictions outside the United States | 55.00% | |||
| Income taxes | ||||
| Income taxes paid | $ 57,400,000 | $ 40,600,000 | ||
| X | ||||||||||
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- Definition
Represents the percentage of cash and cash equivalents in jurisdictions outside the United States. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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