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Redeemable Noncontrolling Interest (Tables)
12 Months Ended
Sep. 30, 2013
Noncontrolling Interest [Abstract]  
Redeemable noncontrolling interest
The following table provides a summary of the activities in our redeemable noncontrolling interests as of September 30, 2013 and 2012:
 
Redeemable Noncontrolling Interests
 
(in thousands)
Balance as of September 30, 2011
$

Acquisition of redeemable noncontrolling interests
45,857

Net income attributable to redeemable noncontrolling interests
6,869

Foreign currency translation adjustment attributable to noncontrolling interests
955

Balance as of September 30, 2012
53,681

Acquisition of redeemable noncontrolling interest
2,836

Sale of additional shares to parent
(9,531
)
Net income attributable to redeemable noncontrolling interests
4,348

Contribution to maintain ownership percentage
6,135

Foreign currency translation adjustment attributable to noncontrolling interests
(2,017
)
Effective portion of cash flow hedge
(59
)
Balance as of September 30, 2013
$
55,393