Inventories (Tables)

3 Months Ended

Apr. 01, 2012

Inventories [Abstract]

Schedule Of Inventories

	April 1, 2012		December 31,2011
Raw materials	$	28,141	$	30,485
Service parts		14,698		13,412
Work in process		503		316
Finished goods		64,403		59,409
Inventories	$	107,745	$	103,622