Organization and Summary of Significant Accounting Policies - Inventory Purchase from Major Suppliers (Details) - Supplier	12 Months Ended
Jun. 28, 2020	Jun. 30, 2019
Supplier Concentrations
Percentage of inventory purchases from major suppliers	39.00%	39.00%
Number of major Suppliers	7	7

The percentage represents the percentage of inventory purchases made from major suppliers, in which the percentage is calculated on the basis of the value of the inventory purchases.

No definition available.

Name:	strt_PercentageOfInventoryPurchases
Namespace Prefix:	strt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration