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Restructuring and Other Charges (Schedule of Restructuring Reserve) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Restructuring Reserve [Roll Forward]
Charges to operations, net	$ (9)	$ 1,627	$ 45,464	$ 1,846
Non-cash reclass			4,812
Employee severance and related benefits
Restructuring Reserve [Roll Forward]
Non-cash reclass			0
Facility closures and related costs
Restructuring Reserve [Roll Forward]
Non-cash reclass			4,812
2016 and 2019 Restructuring Plans; excluding headquarters restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			2,415
Charges to operations, net			42,962
Cash disbursements			(21,406)
Foreign exchange impact			(12)
Restructuring reserve, ending balance	28,771		28,771
2016 and 2019 Restructuring Plans; excluding headquarters restructuring [Member] \| Employee severance and related benefits
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			0
Charges to operations, net			15,719
Cash disbursements			(15,397)
Foreign exchange impact			6
Restructuring reserve, ending balance	328		328
2016 and 2019 Restructuring Plans; excluding headquarters restructuring [Member] \| Facility closures and related costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			2,415
Charges to operations, net			27,243
Cash disbursements			(6,009)
Foreign exchange impact			(18)
Restructuring reserve, ending balance	$ 28,443		28,443
Restructuring Plan 2019 [Member]
Restructuring Reserve [Roll Forward]
Charges to operations, net			16,000
Restructuring Plan 2016 [Member]
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance				6,244
Charges to operations, net				(1,014)
Cash disbursements				(2,454)
Foreign exchange impact				(60)
Restructuring reserve, ending balance		2,716		2,716
Restructuring Plan 2016 [Member] \| Employee severance and related benefits
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance				1,736
Charges to operations, net				(509)
Cash disbursements				(1,247)
Foreign exchange impact				20
Restructuring reserve, ending balance		0		0
Restructuring Plan 2016 [Member] \| Facility closures and related costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			$ 2,400	4,508
Charges to operations, net				(505)
Cash disbursements				(1,207)
Foreign exchange impact				(80)
Restructuring reserve, ending balance		$ 2,716		$ 2,716