Segment, Customer Concentration and Geographical Information - Company's Customer that Represent 10% or more of Company's Net Revenues (Detail) (Operating Segments [Member], Revenue [Member])	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Wireless [Member] | Sprint and affiliates [Member]
Revenue from External Customer [Line Items]
Customer concentrating on 10% or more of net revenue	51.20%	39.90%	53.30%	36.00%
Wireless [Member] | Verizon Wireless and affiliates [Member]
Revenue from External Customer [Line Items]
Customer concentrating on 10% or more of net revenue	18.40%	15.60%	16.90%	20.60%
Productivity & Graphics [Member] | Fast Spring [Member]
Revenue from External Customer [Line Items]
Customer concentrating on 10% or more of net revenue	15.10%		11.20%