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
Dec. 31, 2011
Dec. 31, 2010
Reconciles consolidated EBITDA to consolidated net income    
GAAP net income $ 31.3 $ 27.1
Interest income (0.2) (3.3)
Interest expense 2.9 2.8
Income tax expense (1.3) 15.2
Depreciation and amortization 12.2 8.7
EBITDA $ 44.9 $ 50.5