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Contingencies (Details) (USD $) In Millions	Jun. 30, 2011
Contingencies (Textuals) [Abstract]
Transactions related to legislation with U.S. government entities self-reported to Department of Defense	$ 8
Accrual of potential environmental liabilities	23.3
Long term potential environmental liabilities	$ 9.1

Total costs accrued as of the balance sheet date for environmental loss contingencies.

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- Definition

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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