Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended
Feb. 28, 2014	Jul. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Litigation Settlement Net Of Expense		$ 10.4
Proceeds from Legal Settlements	$ 1.9	$ 8.5

Cash received for the settlement of litigation during the current period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

Name:	us-gaap_ProceedsFromLegalSettlements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration