Quarterly report pursuant to Section 13 or 15(d)

Segment and Geographical Information (Details 2)

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Segment and Geographical Information (Details 2) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Reconciles consolidated EBITDA to consolidated net income        
Net income $ 21.3 $ 22.5 $ 80.0 $ 82.6
Interest income (0.1) (0.8) (0.4) (7.2)
Interest expense 3.0 2.6 8.8 8.3
Income tax expense 8.6 10.5 20.6 43.2
Depreciation and amortization 9.4 8.7 31.0 26.0
EBITDA $ 42.2 $ 43.5 $ 140.0 $ 152.9