DEBT (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Apr. 01, 2021	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Long-term debt disclosure
Principal		$ 150,000		$ 150,000		$ 305,000
Debt Issuance Costs		(3,730)		(3,730)		(4,561)
Total debt		146,270		146,270		300,439
Repayment of debt				155,000	$ 115,000
Credit Facility
Long-term debt disclosure
Principal		150,000		150,000		305,000
Debt Issuance Costs		(3,730)		(3,730)		(4,561)
Total debt		146,270		146,270		$ 300,439
Outstanding amount under credit facility	$ 0	150,000		150,000
Available under the revolving credit facility	1,000	$ 850,000		$ 850,000
Effective interest rate (as percent)		1.34%		1.34%
Interest expense recognized		$ 800	$ 1,200	$ 3,000	$ 5,000
Repayment of debt	$ 150,000
LIBOR | Credit Facility
Long-term debt disclosure
Basis spread on interest rate (as a percent)				1.10%