CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 19,365	$ 16,781	$ 54,581	$ 48,632
Other comprehensive income (loss)
Foreign currency translation	1,587	135	3,613	(3,381)
Total comprehensive income	$ 20,952	$ 16,916	$ 58,194	$ 45,251

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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-Publisher FASB

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