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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 22, 2017	Oct. 01, 2017	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018	Sep. 29, 2018
Income Tax Disclosure [Abstract]
Effective income tax rate			23.80%	45.60%	24.10%	79.20%
U.S. federal corporate tax rate	21.00%	35.00%
Transition Tax on Undistributed Foreign Earnings Deemed To Be Repatriated							$ 30,795
Withholding Taxes on Undistributed Foreign Earnings Deemed To Be Repatriated							10,383
Income tax benefit due to remeasurement of deferred tax assets and liabilities							$ 10,946
Tax Cuts and Jobs Act, Final Calculation, Additional Transition Tax Liability					$ 0

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Tax Cuts and Jobs Act, Final Calculation, Additional Transition Tax Liability

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Amount of income tax expense from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.

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Amount of income tax expense from withholding tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Name Accounting Standards Codification
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.

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