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401(k) Plan	12 Months Ended
401(k) Plan	Sep. 28, 2019
Defined Contribution Plan [Abstract]
Profit Sharing 401(k) Plan	401(k) Plan The Company's U.S. employees have access to a qualified 401(k) defined contribution plan. The Company made contributions of $19.2 million, $18.6 million and $20.2 million for fiscal 2019, 2018 and 2017, respectively.