Fair Value of Financial Instruments (Schedule of Remaining Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Assets:
Deferred compensation plan investments, current and non-current portion	$ 28,587	$ 31,168
Total assets at fair value	28,816	31,355
Liabilities:
Deferred compensation plan investments, current and non-current portion	28,495	31,168
Total liabilities at fair value	28,680	37,453
Foreign exchange contracts
Assets:
Derivative asset	33
Liabilities:
Derivative liability		5
Foreign currency hedge
Assets:
Derivative asset		187
Liabilities:
Derivative liability	185
Interest rate swap agreement
Assets:
Derivative asset	196
Liabilities:
Derivative liability		6,280
Quoted prices in active markets (Level 1)
Assets:
Deferred compensation plan investments, current and non-current portion	28,587	31,168
Total assets at fair value	28,587	31,168
Liabilities:
Deferred compensation plan investments, current and non-current portion	28,495	31,168
Total liabilities at fair value	28,495	31,168
Quoted prices in active markets (Level 1) | Foreign exchange contracts
Assets:
Derivative asset	0
Liabilities:
Derivative liability		0
Quoted prices in active markets (Level 1) | Foreign currency hedge
Assets:
Derivative asset		0
Liabilities:
Derivative liability	0
Quoted prices in active markets (Level 1) | Interest rate swap agreement
Assets:
Derivative asset	0
Liabilities:
Derivative liability		0
Significant other observable inputs (Level 2)
Assets:
Deferred compensation plan investments, current and non-current portion	0	0
Total assets at fair value	229	187
Liabilities:
Deferred compensation plan investments, current and non-current portion	0	0
Total liabilities at fair value	185	6,285
Significant other observable inputs (Level 2) | Foreign exchange contracts
Assets:
Derivative asset	33
Liabilities:
Derivative liability		5
Significant other observable inputs (Level 2) | Foreign currency hedge
Assets:
Derivative asset		187
Liabilities:
Derivative liability	185
Significant other observable inputs (Level 2) | Interest rate swap agreement
Assets:
Derivative asset	196
Liabilities:
Derivative liability		6,280
Significant unobservable inputs (Level 3)
Assets:
Deferred compensation plan investments, current and non-current portion	0	0
Total assets at fair value	0	0
Liabilities:
Deferred compensation plan investments, current and non-current portion	0	0
Total liabilities at fair value	0	0
Significant unobservable inputs (Level 3) | Foreign exchange contracts
Assets:
Derivative asset	0
Liabilities:
Derivative liability		0
Significant unobservable inputs (Level 3) | Foreign currency hedge
Assets:
Derivative asset		0
Liabilities:
Derivative liability	0
Significant unobservable inputs (Level 3) | Interest rate swap agreement
Assets:
Derivative asset	$ 0
Liabilities:
Derivative liability		$ 0