Subsequent Events Subsequent Events (Details) (USD $) In Millions, unless otherwise specified	Feb. 25, 2015
Subsequent Events [Abstract]
Stock Repurchase Program, Authorized Amount	$ 14.7
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 25

Amount remaining of a stock repurchase plan authorized.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant