Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Narrative (Details)

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Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Oct. 01, 2018
Mar. 31, 2019
Income Tax Contingency [Line Items]    
Deferred gain on sale   $ 3,704
ASC 610-20 | Discontinued Operations, Disposed of by Sale    
Income Tax Contingency [Line Items]    
Net adjustment to retained earnings $ 10,897 $ 14,601