Summary of Significant Accounting Policies - Concentrations (Details) - Net sales	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Products | Product 1
Concentration risk
Concentration risk (as a percent)	8.00%	11.00%	13.00%	10.00%
Products | Product 2
Concentration risk
Concentration risk (as a percent)	8.00%	17.00%	8.00%	18.00%
Customers | Customer A
Concentration risk
Concentration risk (as a percent)	29.00%	29.00%	27.00%	25.00%
Customers | Customer B
Concentration risk
Concentration risk (as a percent)	20.00%	21.00%	21.00%	24.00%
Customers | Customer C
Concentration risk
Concentration risk (as a percent)	13.00%	12.00%	12.00%	11.00%