Warranty accrual (Tables)

9 Months Ended

Jul. 31, 2011

Warranty accrual (Tables) [Abstract]

Reconciliation of the product warranty liability

	July 31, 2011			July 31, 2010
Beginning balance	$	5,242		$	4,587
Warranty assumed from acquisition		—			60
Warranty of divested product lines		—			(211	)
Accruals for warranties		4,734			5,237
Warranty payments		(4,121	)		(3,813	)
Currency effect		130			(225	)
Ending balance	$	5,985		$	5,635