Share Repurchase Program (Details) (Subsequent Event [Member], Maximum [Member], USD $)	0 Months Ended
Oct. 21, 2014
Subsequent Event [Member] \| Maximum [Member]
Equity, Class of Treasury Stock [Line Items]
Authorized amount	$ 250,000,000

Amount of a stock repurchase plan authorized by an entity's Board of Directors.

No definition available.

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration