FAIR VALUE MEASUREMENTS (Schedule of Carrying Amounts and Estimated Fair Values of Fixed-Rate Debt Obligation) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Sep. 29, 2017	Dec. 25, 2016	Mar. 11, 2015	May 29, 2014
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	$ (750,000)		$ (500,000)
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	$ (774,375)		(503,395)
Senior notes | Senior Notes 5.875% Due 2025 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate	5.875%
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	$ (604,820)		0
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	$ (619,080)		0
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	$ (403,444)		(369,736)
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	(418,787)		(389,709)
Mortgages | Chattel Mortgages, at Level 3 inputs | Level 3 | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	(873)		(1,432)
Mortgages | Chattel Mortgages, at Level 3 inputs | Level 3 | Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt obligation	$ (855)		$ (1,379)