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Goodwill and Intangibles, Net (Details 2) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Jun. 30, 2012
Estimated annual amortization expense related to intangible assets subject to amortization  
2012 $ 7,086
2013 9,019
2014 8,943
2015 8,808
2016 $ 8,637