Balance Sheets-Additional Information - Other balance sheet items (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2020	Jun. 30, 2020
Goodwill roll-forward
Balance at beginning of period	$ 52,679	$ 27,348
Osprey acquisition	0	25,331
Balance at end of period	52,679	52,679
Other assets
ROU operating lease assets	22,089	22,873
Deferred income taxes	11,368	11,430
Deposits	5,042	5,158
Insurance investments	5,891	5,801
Equity method investments	4,367	4,219
Indemnification asset	0	3,000
Debt issuance costs	893	1,021
Other	6,895	6,976
Other assets, total	56,545	60,478
Accrued expenses and other current liabilities
Employee related	24,789	25,825
Current operating lease liabilities	6,471	6,439
Commissions and rebates	4,259	5,782
Professional fees	5,822	5,766
Income and other taxes	5,245	3,821
Derivatives	5,930	5,757
Contingent consideration	4,840
Restructuring costs	2,029	2,314
Insurance-related	1,267	1,272
Other	17,491	15,421
Accrued expenses and other current liabilities, total	78,143	72,397
Restructuring Reserve [Roll Forward]
Liability balance at June 30, 2019	2,860
Charges	0
Payments	(831)
Liability balance at June 30,2020	2,029	2,860
Other liabilities
Long-term operating lease liabilities	16,366	17,276
Long term and deferred income taxes	10,867	11,680
Derivatives	6,429	7,691
Supplemental retirement benefits, deferred compensation and other	8,199	8,067
Contingent consideration	0	4,840
International retirement plans	5,576	5,499
U.S. pension plan	2,918	3,563
Restructuring costs	0	546
Other long term liabilities	7,735	11,239
Other liabilities, total	58,090	70,401
Accumulated other comprehensive income (loss)
Derivative instruments	(12,359)	(13,448)
Foreign currency translation adjustment	(108,461)	(103,738)
Unrecognized net pension gains (losses)	(22,436)	(22,571)
(Provision) benefit for income taxes on derivative instruments	2,984	3,256
(Provision) benefit for income taxes on long-term intercompany investments	8,166	8,166
(Provision) benefit for income taxes on pension gains (losses)	(2,084)	(2,050)
Accumulated other comprehensive income (loss)	$ (134,190)	$ (130,385)