Basis of Presentation (Tables)

6 Months Ended

Mar. 29, 2014

Basis of Presentation [Abstract]

Inventories

	March 29,		September 28,
	2014		2013
		(expressed in thousands)
Customer projects in various stages of completion	$	18,003	$	19,194
Components, assemblies and parts		61,404		58,795
Total	$	79,407	$	77,989

Warranty Obligations

	Three Fiscal Months Ended				Six Fiscal Months Ended
		March 29,		March 30,		March 29,		March 30,
		2014		2013		2014		2013
	(expressed in thousands)
Beginning balance	$	5,308	$	4,423	$	4,694	$	3,984
Warranty provisions		1,801		1,454		3,964		3,146
Warranty claims		(1,826)		(1,544)		(3,393)		(2,826)
Adjustments to preexisting warranties		(162)		151		(162)		151
Currency translation		(1)		(46)		17		(17)
Ending balance	$	5,120	$	4,438	$	5,120	$	4,438