The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale.

No definition available.

Name:	us-gaap_GainOnSaleOfInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

GAIN ON SALE OF INVESTMENT (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Apr. 30, 2017	May 01, 2016	Jan. 31, 2016	Apr. 30, 2017	May 01, 2016
Schedule of Investments [Line Items]
Gain on sale of investment	$ 0	$ 0		$ 0	$ 8,785
Investment in Foreign Entity [Member]
Schedule of Investments [Line Items]
Gain on sale of investment			$ 8,800