Selected Balance Sheet Data - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Jun. 30, 2023
Other Noncurrent Assets
Inventory, Finished Goods, Net of Reserves, Non-current	$ 5,315	$ 5,387

Non-current amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

No definition available.

Name:	tech_InventoryFinishedGoodsNetOfReservesNonCurrent
Namespace Prefix:	tech_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant