Income Taxes (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Sep. 29, 2018
Income Tax Disclosure [Abstract]
Federal statutory income tax rate, percent			24.50%
Income tax discrete benefits	$ 1,293	$ 25,378	$ 25,008
Change in enacted tax rate	(1,297)	32,264	31,647
Tax Cuts and Jobs Act of 2017, other measurement period adjustment, income tax expense	4
Tax Cuts And Jobs Act Of 2017, potential future income tax expense (benefit)	1,297
Tax Cuts and Jobs Act of 2017, income tax expense, accounting complete, mandatory deemed repatriation tax		$ 6,886	6,639
Unrecognized tax benefits	6,985		6,158
Unrecognized tax benefits that would favorably impact the effective tax rate on continuing operations	$ 4,510		$ 3,740