v3.5.0.2

Debt - 2023 Notes (Details) - USD ($)		9 Months Ended
	Jun. 10, 2016	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Debt Instrument [Line Items]
Discount		$ 15,635,000		$ 0
Proceeds on issuance of 2023 Notes, net of original issue discount		$ 628,869,000	$ 0
Senior Notes | 2023 Notes
Debt Instrument [Line Items]
Debt instrument face amount	$ 645,000,000.0
Debt instrument, percentage rate	9.25%	9.25%
Discount	$ 16,100,000
Proceeds on issuance of 2023 Notes, net of original issue discount	622,900,000
Unamortized debt issuance costs	$ 9,400,000
Interest payable		$ 18,400,000
Senior Notes | 2023 Notes | Level 2
Debt Instrument [Line Items]
Fair value of debt		$ 624,000,000

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Face (par) amount of debt instrument at time of issuance.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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