Commitments and Contingencies (Details) - Jun. 30, 2015 - USD ($) $ in Millions	Total
Commitments and Contingencies Disclosure [Abstract]
Alleged damages suffered	excess of $100 million
Loss contingency, Range of reasonably possible loss, Minimum	$ 0
Loss contingency, Range of reasonably possible loss, Maximum	$ 40

Complaint by an individual plaintiff on alleged damages suffered by the U.S. government.

No definition available.

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- References

No definition available.

+ Details

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- Definition

The estimated maximum amount of possible loss from the contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

+ Details

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- Definition

The estimated minimum amount of possible loss from the contingency.

+ References

+ Details

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