v2.4.1.9

Subsequent Events (Details) (USD $) In Millions, unless otherwise specified	Feb. 07, 2014	Mar. 08, 2013	Feb. 19, 2015
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount	$ 50.0us-gaap_StockRepurchaseProgramAuthorizedAmount1	$ 50.0us-gaap_StockRepurchaseProgramAuthorizedAmount1
Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount			$ 50.0us-gaap_StockRepurchaseProgramAuthorizedAmount1 / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: