Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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

REVOLVING CREDIT FACILITY REVOLVING CREDIT FACILITY (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Apr. 11, 2013 Senior Revolving Credit Facility Due Fiscal Year 2018 [Member]	Apr. 30, 2013 Senior Revolving Credit Facility Due Fiscal Year 2018 [Member]	Apr. 30, 2013 Letter of Credit [Member]	Apr. 11, 2013 Senior Revolving Credit Facility Due Fiscal Year 2015 [Member]	Jul. 31, 2012 Senior Revolving Credit Facility Due Fiscal Year 2015 [Member]
Debt Instrument [Line Items]
Debt Instrument Term	5 years
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,200,000			$ 500,000
Deferred Finance Costs, Gross	3,043
Line of Credit Facility, Amount Outstanding		$ 0	$ 7,242		$ 0
Debt Instrument, Covenant, Maximum Funded Debt Ratio	3.5