Number of industries in which company operates.

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- Definition

Reportable segments.

+ References

No definition available.

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3-4)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Name Regulation S-X (SX)

-Number 210

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

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-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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Reportable Segments (Details Textual) $ in Millions	12 Months Ended
Reportable Segments (Details Textual) $ in Millions	Apr. 30, 2015 USD ($) Segment Industry	Apr. 30, 2014 USD ($)	Apr. 30, 2013
Concentration Risk [Line Items]
Trade receivables, less allowance for doubtful accounts	$ 430.1	$ 309.4
Reportable Segments (Textual) [Abstract]
Number of reportable segments \| Segment	4
Number of industries in which Company operates \| Industry	1
Major Customer [Member] \| Sales [Member]
Concentration Risk [Line Items]
Percentage of concentration risk	10.00%	10.00%	10.00%
Wal-Mart Major Customer [Member]
Concentration Risk [Line Items]
Trade receivables, less allowance for doubtful accounts	$ 122.6	$ 76.6
Wal-Mart Major Customer [Member] \| Sales [Member]
Concentration Risk [Line Items]
Percentage of concentration risk	28.00%	27.00%	26.00%