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Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified | Jun. 30, 2013
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Accrual For Environmental Loss Contingencies Abstract |
Accrual For Environmental Loss Contingencies | $ 15.0
Accrued Environmental Loss Contingencies Current | 8.0
Components Of Environmental Loss Accrual Abstract |
Federal Superfund and comparable state-managed sites | 5.0
Formerly owned or operated sites | 7.0
Owned or controlled sites at which Company operations have been discontinued | 2.0
sites utilized by the company in its ongoing operations | 1.0
Loss Contingency, Estimate [Abstract] |
Loss Contingency Range of Possible Loss, Maximum | $ 1.0

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