Goodwill and Other Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Changes in the carrying value of goodwill, by segment
Beginning Balance	$ 433,300	$ 374,663
Acquisitions		61,146
Effect of foreign currency translation changes	1,535	(1,138)
Ending Balance	434,835	434,671
U.S. & Canada Operations [Member]
Changes in the carrying value of goodwill, by segment
Beginning Balance	283,199	224,306
Acquisitions		58,924
Effect of foreign currency translation changes	0	0
Ending Balance	283,199	283,230
Latin America [Member]
Changes in the carrying value of goodwill, by segment
Beginning Balance	110,209	110,401
Acquisitions		2,222
Effect of foreign currency translation changes	673	(1,138)
Ending Balance	110,882	111,485
Other International [Member]
Changes in the carrying value of goodwill, by segment
Beginning Balance	39,892	39,956
Acquisitions		0
Effect of foreign currency translation changes	862	0
Ending Balance	$ 40,754	$ 39,956

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details

- Definition

The increase (decrease) in the recorded value of goodwill for foreign currency translation adjustments and purchase accounting adjustments needed to revise the carrying amount of goodwill to fair value.

+ References

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

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+ Details