Summary of Significant Accounting Policies - Goodwill and Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Intangible Assets:
Amortization expense	$ 1,800	$ 700	$ 3,300	$ 2,200
Goodwill	197,803		197,803		$ 90,197
Intangible assets, net	43,893		43,893		14,981
Gross Carrying Amount	74,900		74,900		42,700
Accumulated Amortization	(31,000)		(31,000)		(27,700)
Net Carrying Value	43,900		43,900		15,000
Impairment of goodwill					0
Future amortization of intangible assets
Fiscal 2020	1,600		1,600
Fiscal 2021	5,400		5,400
Fiscal 2022	5,200		5,200
Fiscal 2023	5,000		5,000
Fiscal 2024	4,000		4,000
Thereafter	22,400		22,400
Trade names
Intangible Assets:
Gross Carrying Amount	41,600		41,600		17,600
Accumulated Amortization	(10,300)		(10,300)		(9,400)
Net Carrying Value	31,300		31,300		8,200
Customer and distributor relationships
Intangible Assets:
Gross Carrying Amount	25,300		25,300		20,500
Accumulated Amortization	(16,400)		(16,400)		(14,700)
Net Carrying Value	8,900		8,900		5,800
Developed technology
Intangible Assets:
Gross Carrying Amount	6,600		6,600		3,200
Accumulated Amortization	(3,300)		(3,300)		(2,800)
Net Carrying Value	3,300		3,300		400
Other
Intangible Assets:
Gross Carrying Amount	1,400		1,400		1,400
Accumulated Amortization	(1,000)		(1,000)		(800)
Net Carrying Value	$ 400		$ 400		$ 600