Schedule Of Revenues By Product Lines (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Segment Reporting Information [Line Items]
Revenues	$ 200,951	$ 221,082	$ 380,629	$ 399,600
Systems And Solutions
Segment Reporting Information [Line Items]
Revenues	96,924	108,664	178,730	199,045
Printer And Media
Segment Reporting Information [Line Items]
Revenues	38,694	44,665	74,221	88,138
Services
Segment Reporting Information [Line Items]
Revenues	34,747	37,301	69,696	72,162
Voice Solutions
Segment Reporting Information [Line Items]
Revenues	$ 30,586	$ 30,452	$ 57,982	$ 40,255