Subsequent Event (Details Textual) (Subsequent Event [Member], Term Loan B Facility [Member], USD $) In Millions, unless otherwise specified	1 Months Ended
Aug. 31, 2013	Aug. 02, 2013
Subsequent Event [Member] \| Term Loan B Facility [Member]
Subsequent Event (Textual) [Abstract]
Aggregate principal amount		$ 324
Principal amount plus accrued and unpaid interest	106.563%

Face (par) amount of debt instrument at time of issuance.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

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