Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Sep. 29, 2018
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 856,533	$ 800,957
Less: accumulated depreciation	(472,309)	(459,651)
Total property, plant and equipment, net	384,224	341,306
Land, buildings and improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	289,051	267,809
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	381,656	364,034
Computer hardware and software
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	136,227	130,645
Capital assets in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 49,599	$ 38,469