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Share-Based Compensation - Additional Information (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 8,495	$ 2,815	$ 26,921	$ 20,163
Compensation cost not yet recognized	53,200		$ 53,200
Unrecognized compensation cost period for recognition			2 years 2 months 12 days
Stock option exercises (in shares)			41
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 700	$ 100	$ 1,000	300
Restricted Stock Restricted Stock Units And Performance Based Restricted Stock Units[Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested in period fair value			$ 18,700	$ 10,900
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of options granted			4 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of options granted			7 years
2012 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Available for grant (in shares)	17,000		17,000
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Available for grant (in shares)	3,600		3,600
Unrecognized compensation cost for Employee Stock Purchase Plan	$ 800		$ 800