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Noncontrolling Interests (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended 1 Months Ended
Dec. 31, 2010
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Sep. 30, 2010
Jun. 10, 2010
Jun. 30, 2010
CryoService Limited [Member]
Agreements to purchase the remaining shares           25.00% 25.00%
Increased ownership interest percentage, from             72.00%
Increased ownership interest percentage, to             97.00%
Carrying balance of noncontrolling interest     $ 164.8   $ 150.7   $ 10.8
Decrease recognized in capital 6.1 29.0 6.1 29.0      
Obligation To Purchase Liability     $ 50.8