XML 118 R86.htm IDEA: XBRL DOCUMENT v3.19.1

STOCKHOLDERS' EQUITY (Narrative) (Details)	Oct. 31, 2018 USD ($)
Equity [Abstract]
Share repurchase, authorized amount	$ 200,000,000.0

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant