Selected Consolidated Financial Statement Information (Accrued Expenses) (Details) $ in Thousands	Jun. 28, 2016 USD ($) installment_payment Rate	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Accrued expenses
Commissions		$ 6,624	$ 8,217
Salaries and bonus		7,234	8,247
Accrued vacation		3,557	3,436
Accrued excise, sales and other taxes		3,522	3,497
Legal settlement		1,847	1,814
Clinical studies		1,422	657
Accrued litigation		0	2,600
Other accrued expenses		1,570	1,768
Total Accrued expenses		$ 25,776	$ 30,236
Legal settlement
Litigation Settlement, Amount Awarded to Other Party	$ 8,000
Payments for Legal Settlements	3,000
Settlement Payable in Installments	$ 5,000
Litigation Settlement Interest, Percentage | Rate	0.00%
Litigation Settlement, Number of Quarterly Installment Payment | installment_payment	11
Single payment threshold amount	$ 2,000