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Inventories (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Inventories
Finished goods	$ 262.5	$ 265.0
Work in process	149.5	139.4
Raw materials, parts and supplies	207.0	237.3
Inventories	$ 619.0	$ 641.7

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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