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Debt - Convertible Senior Note (Details) $ / shares in Units, $ in Thousands		9 Months Ended
	Jun. 27, 2016 USD ($) shares $ / shares	Sep. 30, 2016 USD ($) day	Sep. 30, 2015 USD ($)	Jul. 14, 2016 USD ($)	Jun. 15, 2016 USD ($)	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Proceeds from borrowings		$ 301,782	$ 90,900
Deferred finance costs, net		(32,175)				$ (4,907)
Principal amount of long-term debt		412,961				170,119
Term loan		380,786				165,212
5% Convertible Senior Notes due 2021
Debt Instrument [Line Items]
Principal amount of long-term debt						0
Tranche B Term Loan
Debt Instrument [Line Items]
Principal amount of long-term debt		$ 58,613				$ 60,119
Convertible Debt | 5% Convertible Senior Notes due 2021
Debt Instrument [Line Items]
Aggregate principal amount				$ 115,000
Additional principal amount	$ 15,000
Proceeds from borrowings	$ 111,600
Debt instrument, interest rate	5.00%
Conversion ratio	0.0555556
Number of equity instruments (in shares) | shares	6,388,894
Conversion price (in dollars per share) | $ / shares	$ 18
Threshold percentage of stock price trigger	140.00%
Threshold trading days | day		20
Threshold consecutive trading days		30 days
Redemption price, percentage	100.00%
Long-term debt, fair value	$ 89,300
Carrying amount of equity component	22,200
Principal amount of long-term debt		$ 115,000
Unamortized discount (premium) and debt issuance costs, net		25,000
Convertible Debt | 5% Convertible Senior Notes due 2021 | Long-term Debt
Debt Instrument [Line Items]
Deferred finance costs, net	(600)
Term Loan | Tranche B Term Loan
Debt Instrument [Line Items]
Repayments of debt	$ 5,000
Deferred finance costs, net					$ (2,500)
Reported Value Measurement [Member] | 5% Convertible Senior Notes due 2021
Debt Instrument [Line Items]
Long-term debt, fair value		$ 90,011

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