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Debt and Financing Arrangements (Predecessor Company Debt) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Oct. 01, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016	Jan. 11, 2016
7.00% Senior Notes Due 2019 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)				7.00%	7.00%
7.25% Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)				7.25%	7.25%
7.25% Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)				7.25%	7.25%
9.875% Senior Notes Due 2019 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)				9.875%	9.875%
8.00% Senior Secured Notes due 2019 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)				8.00%	8.00%
Predecessor [Member]
Debt Instrument [Line Items]
2017				$ 11,038
2018				10,324
2019				11,479
2020				11,761
2021				317,987
Thereafter				290
Total				$ 362,879
Debt financing costs	$ 23,011	$ 0	$ 4,519
Professional fees	$ 2,200	24,200
Predecessor [Member] \| 7.00% Senior Notes Due 2019 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)	7.00%
Predecessor [Member] \| 7.25% Senior Notes Due 2020 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)	7.25%
Predecessor [Member] \| 7.25% Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)	7.25%
Predecessor [Member] \| 9.875% Senior Notes Due 2019 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)	9.875%
Predecessor [Member] \| 8.00% Senior Secured Notes due 2019 [Member]
Debt Instrument [Line Items]
Senior notes interest rate (percent)	8.00%
Predecessor [Member] \| Line of Credit [Member]
Debt Instrument [Line Items]
Write off of deferred debt issuance cost		$ 3,700