Basis of Presentation (Tables)

6 Months Ended

Mar. 30, 2013

Basis of Presentation [Abstract]

Inventories

	March 30,		September 29,
	2013		2012
		(expressed in thousands)
Customer projects in various stages of completion	$	15,530	$	17,704
Components, assemblies and parts		59,280		50,275
Total	$	74,810	$	67,979

Warranty Obligations

	Three Fiscal Months Ended				Six Fiscal Months Ended
		March 30,		March 31,		March 30,		March 31,
		2013		2012		2013		2012
	(expressed in thousands)
Beginning balance	$	4,423	$	4,595	$	3,984	$	5,290
Warranty provisions		1,454		1,094		3,146		1,483
Warranty claims		(1,544)		(1,565)		(2,826)		(2,583)
Adjustments to preexisting warranties		151		300		151		300
Currency translation		(46)		44		(17)		(22)
Ending balance	$	4,438	$	4,468	$	4,438	$	4,468