OTHER LONG-TERM LIABILITIES - Schedule of Other Long-Term Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Other Liabilities Noncurrent [Abstract]
Interest rate swap agreements	$ 24,838	$ 43,168
Deferred and contingent acquisition consideration		740
Deferred revenue	6,837	6,507
Deferred payroll taxes	46,560	40,594
Accrued post-retirement obligations	6,980	6,715
Reserve for unrecognized tax benefits	31,617	8,869
Transition tax	4,496	5,071
Other	17,024	17,040
Total other long-term liabilities	$ 138,352	$ 128,704