FAIR VALUE MEASUREMENTS - Schedule of Carrying Amounts and Estimated Fair Values of Fixed-Rate Debt Obligation (Details) - USD ($) $ in Thousands	Dec. 30, 2018	Dec. 31, 2017	Sep. 29, 2017	Apr. 17, 2015	Mar. 11, 2015
Senior notes | Fixed-rate senior notes payable at 5.75%, at Level 1 inputs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	5.75%				5.75%
Senior notes | Fixed-rate senior notes payable at 5.75%, at Level 1 inputs | Level 1 | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	$ (1,002,497)	$ (750,000)
Senior notes | Fixed-rate senior notes payable at 5.75%, at Level 1 inputs | Level 1 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	$ (937,300)	(774,375)
Senior notes | Fixed-rate senior notes payable at 5.875%, at Level 1 inputs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	5.875%		5.875%
Senior notes | Fixed-rate senior notes payable at 5.875%, at Level 1 inputs | Level 1 | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	$ (843,717)	(604,820)
Senior notes | Fixed-rate senior notes payable at 5.875%, at Level 1 inputs | Level 1 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	$ (768,188)	(619,080)
Senior notes | Fixed-rate senior notes payable at 6.25%, at Level 1 inputs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	6.25%			6.25%
Senior notes | Fixed-rate senior notes payable at 6.25%, at Level 1 inputs | Level 1 | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	$ 0	(403,444)
Senior notes | Fixed-rate senior notes payable at 6.25%, at Level 1 inputs | Level 1 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	0	(418,787)
Secured Loans | Level 3 | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	(319)	(873)
Secured Loans | Level 3 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	$ (319)	$ (855)