Long-term Debt and Lease Obligations - Redemption Percentages for Future Periods (Details)	12 Months Ended
Dec. 31, 2015
2015
Debt Instrument, Redemption [Line Items]
Notes redemption percentages	104.063%
2016
Debt Instrument, Redemption [Line Items]
Notes redemption percentages	102.031%
2017 and thereafter
Debt Instrument, Redemption [Line Items]
Notes redemption percentages	100.00%

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

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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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration