NET INCOME PER SHARE (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	Dec. 23, 2020	Dec. 25, 2019	Dec. 23, 2020	Dec. 25, 2019
Reconciliation of Weighted Average Shares Outstanding [Line Items]
Basic weighted average shares outstanding	45.3	37.4	45.2	37.4
Total dilutive impact	0.8	0.7	0.7	0.7
Diluted weighted average shares outstanding	46.1	38.1	45.9	38.1
Awards excluded due to anti-dilutive effect	0.6	1.1	1.1	1.2
Restricted Share Award [Member]
Reconciliation of Weighted Average Shares Outstanding [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0.6	0.6	0.6	0.6
Stock Options [Member]
Reconciliation of Weighted Average Shares Outstanding [Line Items]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	0.2	0.1	0.1	0.1