COMMITMENTS AND CONTINGENCIES - Additional Information (Detail) (USD $)	6 Months Ended	19 Months Ended
Apr. 30, 2015	Apr. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Construction cost spent	$ 46,400,000us-gaap_ConstructionAndDevelopmentCosts	$ 156,700,000us-gaap_ConstructionAndDevelopmentCosts
Capitalized interest	$ 335,000us-gaap_InterestCostsCapitalized

Amount of interest capitalized during the period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Allowance for Funds Used during Construction

-URI http://asc.fasb.org/extlink&oid=6504829

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

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