Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 3B
-URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721525-107759

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=65878427&loc=d3e957-107759

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

SUBSEQUENT EVENT (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
SUBSEQUENT EVENT (Details) - USD ($) $ in Millions	Nov. 28, 2016	Oct. 30, 2016	Oct. 30, 2016	Nov. 01, 2015
SUBSEQUENT EVENT
Proceeds from sales of businesses			$ 28.0	$ 810.0
Discontinued Operations, Disposed of by Sale
SUBSEQUENT EVENT
Proceeds from sales of businesses			28.0
Gain on disposal of discontinued operations		$ (4.0)	$ (7.0)
Subsequent Event \| Facilities Maintenance Corporate Building \| Discontinued Operations, Disposed of by Sale
SUBSEQUENT EVENT
Proceeds from sales of businesses	$ 30.0
Gain on disposal of discontinued operations	$ 10.0