Annual report pursuant to Section 13 and 15(d)

Organization and Significant Accounting Policies - Income Taxes, Additional Information (Details)

v3.19.3
Organization and Significant Accounting Policies - Income Taxes, Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 29, 2018
Dec. 30, 2017
Sep. 28, 2019
Sep. 29, 2018
Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]          
Valuation allowances related to net deferred tax assets $ 6,809   $ 7,179 $ 6,809  
Statutory federal income tax rate     21.00% 24.50% 35.00%
Foreign earnings held in cash or cash equivalents, tax rate (as a percent)       15.50%  
Foreign earnings held in non-cash, tax rate (as a percent)       8.00%  
Transition tax   $ 200   $ 300  
Foreign undistributed earnings 1,800     1,800  
Provisional tax benefit $ 5,200 $ 16,300   $ 21,500