XML 24 R42.htm IDEA: XBRL DOCUMENT v2.4.0.8

Long-Term Debt - Components of Long-Term Debt and Capital Leases (Detail) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2014	Apr. 30, 2014
Debt Instrument [Line Items]
Credit facility	$ 523,778	$ 508,019
Less-current maturities of long-term debt	1,736	885
Non current portion of long term debt and capital lease obligation	522,042	507,134
Senior Secured Revolving Credit Facility, Due 2016 [Member]
Debt Instrument [Line Items]
Credit facility	144,300	133,860
Senior Subordinated Notes Due 2019 Notes [Member]
Debt Instrument [Line Items]
Credit facility	323,637	323,509
Revenue Bonds Series 2005R-2, due January 2025 [Member]
Debt Instrument [Line Items]
Credit facility	21,400	21,400
Long-Term Revenue Bonds Series 2013 Due April 2036 [Member]
Debt Instrument [Line Items]
Credit facility	16,000	16,000
Revenue Bond Series 2013 Due April 2029 [Member]
Debt Instrument [Line Items]
Credit facility	11,000
Revenue Bonds Series, 2005R-1, Due January 2025 [Member]
Debt Instrument [Line Items]
Credit facility	3,600	3,600
Revenue Bonds Series 2013 Due 2029 [Member]
Debt Instrument [Line Items]
Credit facility	5,500	5,500
Notes Payable [Member]
Debt Instrument [Line Items]
Credit facility	440	440
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Credit facility	$ 3,401	$ 3,710

X

- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.13,16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ 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 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

+ 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 210.5-02.20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant