Notes and Other Debt - Schedule of Notes and Other Debt (Parenthetical) (Details)				6 Months Ended	12 Months Ended
	Jun. 28, 2019	Jun. 24, 2019	Mar. 18, 2019	Jun. 30, 2019	Dec. 31, 2018
Senior Secured Term Loan B Facility
Debt Instrument [Line Items]
Debt instrument, maturity date			Oct. 24, 2022	Oct. 24, 2022	Oct. 24, 2022
Debt instrument, imputed interest rate				7.47%	7.47%
Senior Secured Notes - 6.00% Due April 15, 2023
Debt Instrument [Line Items]
Debt instrument, maturity date				Apr. 15, 2023	Apr. 15, 2023
Debt instrument, imputed interest rate				6.29%	6.29%
Issuance senior notes, stated percentage				6.00%	6.00%
Senior Unsecured Notes - 8.25% Due October 15, 2023
Debt Instrument [Line Items]
Debt instrument, maturity date				Oct. 15, 2023	Oct. 15, 2023
Debt instrument, imputed interest rate				9.06%	9.06%
Issuance senior notes, stated percentage				8.25%	8.25%
Senior Unsecured Notes - 7.125% Due December 15, 2024
Debt Instrument [Line Items]
Debt instrument, maturity date				Dec. 15, 2024	Dec. 15, 2024
Issuance senior notes, stated percentage				7.125%	7.125%
Exchangeable Senior Notes - 4.00%, due June 15, 2024
Debt Instrument [Line Items]
Debt instrument, maturity date	Jun. 15, 2024			Jun. 15, 2024
Debt instrument, imputed interest rate	11.10%			11.10%
Issuance senior notes, stated percentage	4.00%			4.00%	4.00%
Senior Secured Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, maturity date		Apr. 24, 2022		Apr. 24, 2022	Apr. 24, 2020