Organization, Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2013 Supplier Business_Unit Customer Institution	Dec. 31, 2012 Supplier Customer	Dec. 31, 2011 Supplier Customer
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Experience in operation period		30 years
Number of customers concentrated		3	2	3
Number of suppliers concentrated		1	0	0
Bank balances		$ 11,600,000	$ 9,100,000
Number of financial institutions		2
Cash and cash equivalents maximum maturity period		3 months
Net inventory		167,000	176,000
Impairment loss of goodwill	94,200,000
Long- lived asset impairment charges	18,700,000
Goodwill and long-lived asset impairment charge amount	112,900,000			112,904,000
Number of operating groups		2
Advertising expenses		400,000	600,000	700,000
Uncertain tax positions		0
Customer Concentration Risk [Member] | Revenues [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Concentration percentage		77.50%	61.20%	54.90%
Customer Concentration Risk [Member] | Accounts receivable [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Concentration percentage		83.00%	78.00%	63.00%
Supplier concentration risk [Member] | Accounts payable [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Concentration percentage		28.00%
Leaseholds and Leasehold Improvements [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Long- lived asset impairment charges	5,300,000
Productivity & Graphics [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Total sales incentives		1,200,000	900,000	1,200,000
Scenario, Plan [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Bank balances			18,600,000
Assembled products [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Net inventory		100,000	100,000
Components [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Net inventory		100,000	100,000
Other Intangible Assets [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Long- lived asset impairment charges	$ 13,400,000
Minimum [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets		3 years
Minimum [Member] | Customer Concentration Risk [Member] | Revenues [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Concentration percentage		10.00%	10.00%	10.00%
Minimum [Member] | Supplier concentration risk [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Concentration percentage		10.00%	10.00%	10.00%
Maximum [Member]
Organization Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of the assets		7 years