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Intangible Assets and Goodwill (Tables)

12 Months Ended

Apr. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill Rollforward

The following table shows the roll-forward of goodwill.

	Interface				Power Products				Total
Balance as of April 27, 2013	$	11.9			$	1.0			$	12.9
Foreign currency translation	0.1				—				0.1
Balance as of May 3, 2014	12.0				1.0				13.0
Impairment	(11.1		)		—				(11.1		)
Foreign currency translation	(0.2		)		—				(0.2		)
Balance as of May 2, 2015	0.7				1.0				1.7
Impairment	—				—				—
Foreign currency translation	—				—				—
Balance as of April 30, 2016	$	0.7			$	1.0			$	1.7

Schedule of Identifiable Intangible Assets

The following tables present details of our remaining identifiable intangible assets:

	As of April 30, 2016
	Gross				Accumulated Amortization				Net				Wtd. Avg. Remaining Amortization Periods (Years)
Customer relationships and agreements	$	16.3			$	15.3			$	1.0			7.8
Trade names, patents and technology licenses	25.8				17.9				7.9				2.4
Covenants not to compete	0.1				0.1				—				1.4
Total	$	42.2			$	33.3			$	8.9

	As of May 2, 2015
	Gross				Accumulated Amortization				Net				Wtd. Avg. Remaining Amortization Periods (Years)
Customer relationships and agreements	$	16.3			$	15.0			$	1.3			8.8
Trade names, patents and technology licenses	25.8				15.8				10.0				3.3
Covenants not to compete	0.1				0.1				—				2.4
Total	$	42.2			$	30.9			$	11.3

Schedule of Estimated Aggregate Amortization Expense

The estimated aggregate amortization expense for each of the five succeeding fiscal years is as follows:

2017	$2.3
2018	$2.2
2019	$2.1
2020	$0.2
2021	$0.1

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Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267

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Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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