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LONG-TERM DEBT AND NOTE PAYABLE - Schedule of Debt (Details) - USD ($) $ in Thousands	Jun. 29, 2019	Nov. 16, 2018	Oct. 28, 2018	Apr. 12, 2018
Debt Instrument [Line Items]
Unamortized discounts and unamortized deferred financing costs	$ (60,247)		$ (5,699)
Total long-term debt, net of unamortized discounts and unamortized deferred financing costs	3,341,150		407,226
Less: current portion of long-term debt	25,600		4,150
Total long-term debt, less current portion	3,315,550		403,076
Asset-based revolving credit facility due April 2023
Debt Instrument [Line Items]
Long-term debt, gross	220,000		0
Asset-based revolving credit facility due February 2023
Debt Instrument [Line Items]
Long-term debt, gross	0		0
Term loan facility due April 2025
Debt Instrument [Line Items]
Long-term debt, gross	2,536,397		0
Term loan facility due February 2025
Debt Instrument [Line Items]
Long-term debt, gross	0		412,925
Cash flow revolver due April 2023
Debt Instrument [Line Items]
Long-term debt, gross	0		0
8.00% Senior Notes
Debt Instrument [Line Items]
Long-term debt, gross	645,000		0
Total long-term debt, net of unamortized discounts and unamortized deferred financing costs	$ 645,000		0
Debt instrument, interest rate, stated percentage	8.00%	8.00%		8.00%
Other Assets \| ABL Facility \| Asset-based lending credit facility, due 2023
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ 2,800		$ 1,100