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Subsequent Event (Details) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified | Oct. 31, 2014
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Subsequent Event [Member] |
Subsequent Event [Line Items] |
Stock Repurchase Program, Authorized Amount | $ 100.0

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration