GOODWILL AND OTHER INTANGIBLE ASSETS (Details Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Oct. 31, 2012	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Acquired Indefinite-lived Intangible Assets [Line Items]
Goodwill recognized expected tax deductible amount		$ 13		$ 13
Amortization expense related to intangible assets		4.2	1.9	11.7	5.4
Estimated Amortization expense related to intangible assets, current year	4.2
Estimated Amortization expense related to intangible assets, year one		16.1		16.1
Estimated Amortization expense related to intangible assets, year two		15.5		15.5
Estimated Amortization expense related to intangible assets, year three		14.0		14.0
Estimated Amortization expense related to intangible assets, year four		12.6		12.6
Estimated Amortization expense related to intangible assets, year five		12.0		12.0
Estimated Amortization expense related to intangible assets, year, there after		$ 37.5		$ 37.5
Customer Relationships [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period				10 years
Intellectual Property [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period				11 years