SEGMENT INFORMATION - Adjusted EBITDA, Depreciation & Software Amortization, Other Intangible Amortization for Each Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 30, 2017	May 01, 2016
SEGMENT INFORMATION
Adjusted EBITDA	$ 207	$ 215
Depreciation & Software Amortization	22	21
Other Intangible Amortization	3	4
Corporate
SEGMENT INFORMATION
Adjusted EBITDA	(16)	(16)
Depreciation & Software Amortization	3	3
Other Intangible Amortization	2	2
Facilities Maintenance \| Reportable segment
SEGMENT INFORMATION
Adjusted EBITDA	117	134
Depreciation & Software Amortization	7	8
Other Intangible Amortization	1	1
Waterworks business \| Reportable segment
SEGMENT INFORMATION
Adjusted EBITDA	51	48
Depreciation & Software Amortization	3	2
Other Intangible Amortization		1
Construction & Industrial \| Reportable segment
SEGMENT INFORMATION
Adjusted EBITDA	55	49
Depreciation & Software Amortization	$ 9	$ 8

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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