STOCK OPTIONS AND OTHER SHARE-BASED COMPENSATION - Nonvested Stock Options (Details) - $ / shares	6 Months Ended	12 Months Ended
	Jan. 03, 2020	Jan. 01, 2021	Jun. 28, 2019	Jun. 29, 2018
Shares
Nonvested stock options January 3, 2020 (in shares)		738,956
Granted (in shares)		583,200
Vested (in shares)		(32,525)
Nonvested stock options January 1, 2021 (in shares)	738,956	1,289,631
Weighted-Average Grant-Date Fair Value Per Share
Nonvested stock options January 3, 2020 (in dollars per share)		$ 38.61
Granted (in dollars per share)	$ 38.61	34.49	$ 30.05	$ 18.60
Vested (in dollars per share)		35.86
Nonvested stock options January 1, 2021 (in dollars per share)	$ 38.61	$ 36.81