STOCK-BASED COMPENSATION - Schedule of Stock Based Compensation Award Activity (Details) - shares				12 Months Ended
	Apr. 25, 2018	Apr. 26, 2017	Apr. 23, 2015	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Shares Available for Grant
Options granted (in shares)				0	0	842,000
RSUs granted (in shares)				(1,539,000)	(1,852,000)	(1,822,000)
RSUs forfeited (in shares)				141,000	1,356,000	1,129,000
2009 Stock Plan
Shares Available for Grant
Authorized (in shares)	4,000,000	1,500,000	2,500,000
Balance at end of period (in shares)				16,500,000
2009 Stock Plan | RSUs and Performance RSUs
Shares Available for Grant
Balance at beginning of period (in shares)				3,899,000
Authorized (in shares)				4,000,000
Options granted (in shares)				0
Options forfeited or expired (in shares)				141,000
Balance at end of period (in shares)				6,760,000	3,899,000
2009 Stock Plan | Restricted Stock Units (RSUs)
Shares Available for Grant
RSUs granted (in shares)				(1,539,000)
RSUs forfeited (in shares)				259,000