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Stock Repurchases (Narrative) (Details) (USD $)	Dec. 31, 2014
Equity, Class of Treasury Stock [Line Items]
Amount authorized for share repurchases	$ 75,998,000us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

X

- Details

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

X

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant