EMPLOYEE BENEFIT AND RETIREMENT PLANS (Details)		5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2013 USD ($)	Jun. 30, 2021 USD ($) plan	Jan. 31, 2021 USD ($)	Jun. 30, 2022	Jun. 30, 2021 USD ($) plan	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 29, 2021 USD ($)	Jun. 30, 2018 USD ($)
Statement [Line Items]
Defined contribution plan cost					$ 1,400,000	$ 1,600,000	$ 1,700,000
Pension plan cost					$ 100,000	$ 16,900,000	1,200,000
Discount rate		2.57%			2.57%	2.73%
Plan settlements					$ 130,000	$ 0	0
Service cost		$ 15,000	$ 50,000
Total expense		(481,000)	(46,000)		$ (654,000.00)	16,753,000	930,000
Interest cost		21,000	120,000
Amortization of prior service (credit)		(614,000)	(313,000)
Amortization of net (gain)		$ 97,000	$ 97,000
Forecast | United States
Statement [Line Items]
Expected long-term rate of return assumption				3.60%
Forecast | United Kingdom
Statement [Line Items]
Expected long-term rate of return assumption				1.90%
Pension Plan
Statement [Line Items]
Number of plans | plan		2			2
Defined contribution plan cost					$ 8,000,000
Pension plan cost						16,800,000
Funded status		$ (37,425,000)			(37,425,000)	(60,364,000)	(47,647,000)
Benefit obligation		172,617,000			172,617,000	184,190,000	169,680,000		$ 159,213,000
Improvement in unfunded amount					22,900,000
Decrease in benefit obligation					11,500,000
Increase in plan assets					11,400,000
Actual return on plan assets					19,616,000	2,163,000	6,589,000
Impact of foreign currency exchange					(4,181,000)	854,000	1,445,000
Benefits paid, plan assets					9,019,000	7,203,000	7,217,000
Benefits paid, obligation					9,019,000	7,203,000	7,217,000
Plan settlements					11,400,000
Increase in obligation due to foreign currency exchange					5,238,000	(1,013,000)	(1,697,000)
Service cost					4,500,000
Actuarial (gain) loss					857,000	(17,309,000)	(13,368,000)
Annuity purchase amount released from plan assets								$ 11,400,000
Settlement credit		$ 100,000			$ 100,000
Percentage of liability settled		8.53%			8.53%
Total expense					$ (58,000)	16,977,000	1,168,000
Fair value of common stock		$ 5,600,000			5,600,000	2,200,000
Value of combined plan assets						123,826,000
Interest cost					$ 4,476,000	$ 5,417,000	$ 6,013,000
Pension Plan | United States
Statement [Line Items]
Discount rate		2.69%			2.69%	2.73%	3.56%
Funded status		$ (28,785,000)			$ (28,785,000)	$ (50,839,000)	$ (41,230,000)
Benefit obligation		$ 124,633,000			124,633,000	138,131,000	126,380,000		116,277,000
Actual return on plan assets					18,864,000	1,071,000	4,132,000
Benefits paid, plan assets					5,880,000	5,682,000	5,565,000
Benefits paid, obligation					5,880,000	5,682,000	5,565,000
Actuarial (gain) loss					(104,000)	(13,016,000)	(10,814,000)
Total expense					$ (100,000)	$ 15,051,000	$ 1,071,000
Discount rate					2.73%	3.56%	4.27%
Interest cost					$ 3,689,000	$ 4,417,000	$ 4,854,000
Pension Plan | United Kingdom
Statement [Line Items]
Discount rate		1.86%			1.86%	1.59%	2.39%
Funded status		$ (8,640,000)			$ (8,640,000)	$ (9,525,000)	$ (6,417,000)
Benefit obligation		47,984,000			47,984,000	46,059,000	43,300,000		$ 42,936,000
Actual return on plan assets					752,000	1,092,000	2,457,000
Impact of foreign currency exchange					(4,181,000)	854,000	1,445,000
Benefits paid, plan assets					3,139,000	1,521,000	1,652,000
Benefits paid, obligation					3,139,000	1,521,000	1,652,000
Increase in obligation due to foreign currency exchange					5,238,000	(1,013,000)	(1,697,000)
Actuarial (gain) loss					961,000	(4,293,000)	(2,554,000)
Total expense					$ 42,000	$ 1,926,000	$ 97,000
Discount rate					1.59%	2.39%	2.80%
Interest cost					$ 787,000	$ 1,000,000	$ 1,159,000
Amortization of net (gain)					0	(1,870,000)	0
Pension Plan | United Kingdom | Fair Value Measured at Net Asset Value Per Share
Statement [Line Items]
Fair value of plan assets						5,400,000
Pension Plan | Defined Benefit Plan, Underfunded Plan
Statement [Line Items]
Funded status		$ (60,300,000)			(60,300,000)	37,400,000
Postemployment Retirement Benefits
Statement [Line Items]
Postretirement medical and life insurance benefit plan					500,000	$ 100,000	$ 200,000
Plan amendments					$ 5,600,000
Amortization of change due to amendment		5 years 11 months 15 days			5 years 11 months 15 days
Annual plan payment					$ 900,000
Current year payment, pro-rated as of effective date of change					400,000
Amended Plan
Statement [Line Items]
Service cost					65,000
Total expense					(527,000)
Interest cost					141,000
Amortization of prior service (credit)					(927,000)
Amortization of net (gain)					$ 194,000
Maximum
Statement [Line Items]
Company's fixed contribution toward postretirement medical plan	$ 28.50
Maximum | Equities
Statement [Line Items]
Target allocations, as a percentage		70.00%			70.00%
Maximum | Company Stock
Statement [Line Items]
Target allocations, as a percentage		20.00%			20.00%
Maximum | Cash and Debt Securities
Statement [Line Items]
Target allocations, as a percentage		60.00%			60.00%
Minimum
Statement [Line Items]
Company's fixed contribution toward postretirement medical plan	$ 23.00
Minimum | Equities
Statement [Line Items]
Target allocations, as a percentage		40.00%			40.00%
Minimum | Company Stock
Statement [Line Items]
Target allocations, as a percentage		10.00%			10.00%
Minimum | Cash and Debt Securities
Statement [Line Items]
Target allocations, as a percentage		30.00%			30.00%