Held For Sale (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment loss		$ 22.5	$ 0.0	$ 0.0
Impairment of goodwill, held-for-sale business		6.0
Building & Energy Solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment loss		22.5
Impairment of goodwill, held-for-sale business		6.0
Disposal Group, Held-for-sale, Not Discontinued Operations | Building & Energy Solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of goodwill, held-for-sale business	$ 6.0
Trade accounts receivable, net	31.9	31.9
Investments in unconsolidated affiliates	7.7	7.7
Other assets	4.5	4.5
Total assets	44.1	44.1
Trade accounts payable	14.4	14.4
Other accrued liabilities	4.8	4.8
Total liabilities	$ 19.2	$ 19.2