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GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill Roll-forward (Details) $ in Millions	3 Months Ended
	Jul. 29, 2017 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 1.6
Acquired	16.3
Impairment	0.0
Foreign Currency Translation	0.1
Ending balance	18.0
Automotive
Goodwill [Roll Forward]
Beginning balance	0.0
Acquired	16.3
Impairment	0.0
Foreign Currency Translation	0.0
Ending balance	16.3
Interface
Goodwill [Roll Forward]
Beginning balance	0.6
Acquired	0.0
Impairment	0.0
Foreign Currency Translation	0.1
Ending balance	0.7
Power Products
Goodwill [Roll Forward]
Beginning balance	1.0
Acquired	0.0
Impairment	0.0
Foreign Currency Translation	0.0
Ending balance	$ 1.0

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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-Publisher FASB
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-Topic 350
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-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 1
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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
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+ References

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