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

Acquisition of redeemable noncontrolling interest
45,857

Net income attributable to redeemable noncontrolling interests
1,300

Foreign currency translation adjustment attributable to noncontrolling interests
(2,293
)
Balance as of June 30, 2012
$
44,864

 
 
Balance as of September 30, 2012
$
53,681

Acquisition of redeemable noncontrolling interest
2,836

Sale of additional shares to parent
(7,981
)
Net income attributable to redeemable noncontrolling interests
3,378

Contribution to maintain ownership percentage
6,135

Foreign currency translation adjustment attributable to noncontrolling interests
(1,212
)
Balance as of June 30, 2013
$
56,837