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Guarantor Subsidiaries - Additional Information (Details) | Sep. 30, 2016 | Aug. 14, 2013
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Senior Notes |  |
Debt Instrument [Line Items] |  |
Interest rate (percent) | 6.00% | 6.00%

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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 + Details
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