Restructuring Charges - Schedule of Restructuring Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		26 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	$ 6,244	$ 36,608
Charge to operations, net	105	6,285	$ 85,500
Cash disbursements	(735)	(15,815)
Other non-cash charges		(260)
Foreign exchange impact	(1)	(1,169)
Restructuring reserve, ending balance	5,613	25,649	5,613
Employee severance and related benefits
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	1,736	35,177
Charge to operations, net	(212)	2,399
Cash disbursements	(198)	(15,537)
Other non-cash charges		0
Foreign exchange impact	17	(1,143)
Restructuring reserve, ending balance	1,343	20,896	1,343
Facility closures and related costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	4,508	1,431
Charge to operations, net	317	3,886
Cash disbursements	(537)	(278)
Other non-cash charges		(260)
Foreign exchange impact	(18)	(26)
Restructuring reserve, ending balance	$ 4,270	$ 4,753	$ 4,270