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Commitments and Contingencies (Details 3) (NQDC plan, USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
NQDC plan
Nonqualified Deferred Compensation Plan
Deferred compensation payable	$ 2.2	$ 0.9

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant