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Guarantor and Non-Guarantor Financial Information (Details Textual) - 3.50% Senior Notes due October 15, 2021 [Member] | Apr. 30, 2015
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Guarantor and Non Guarantor Financial Information (Textual) [Abstract] |
Interest rate on notes | 3.50%
Percentage ownership of wholly-owned subsidiaries | 100.00%

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- Definition Guarantor and non-guarantor financial information. + References No definition available. + Details
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- Definition Percentage ownership of wholly owned subsidiaries. + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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(a)(1)) -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 + Details
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- Details
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