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Debt - Schedule of percentage of principal amount at which the entity may redeem the notes (Details)	9 Months Ended
	Sep. 30, 2016
2/15/2019 - 2/15/2020
Debt Instrument [Line Items]
Redemption price (as a percent)	106.375%
2/15/2020 - 8/15/2020
Debt Instrument [Line Items]
Redemption price (as a percent)	103.188%
8/15/2020 - 8/15/2021
Debt Instrument [Line Items]
Redemption price (as a percent)	100.00%

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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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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