Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 29, 2018

Accounting Policies [Abstract]

Property, Plant and Equipment

Depreciation and amortization are calculated on a straight-line basis using the following periods, which represent the estimated useful lives of the assets:

	Years
Buildings	15 - 33
Machinery and equipment	5 - 10
Office furniture, equipment and other	3 - 10
Computer equipment and software	3 - 7

Property, plant and equipment consisted of the following at the dates indicated:

(in thousands of dollars)	September 29, 2018			September 30, 2017
Land	$	2,159		$	1,187
Buildings	22,514			18,420
Machinery and equipment	68,782			63,988
Office furniture, equipment and other	2,059			1,389
Computer equipment and software	17,250			16,765
Construction in process	27,983			2,544
Property, plant and equipment, gross	140,747			104,293
Accumulated depreciation and amortization	(74,693		)	(69,585		)
Property, plant and equipment, net	$	66,054		$	34,708