Outsourced Government Contracts - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 Customer Contract	Mar. 31, 2013 Virginia Interactive, LLC	Mar. 31, 2013 Virginia Interactive, LLC Additional Contract	Mar. 31, 2013 Virginia Interactive, LLC Transition Period Term	Mar. 31, 2013 NICUSA, AZ Division	Mar. 31, 2013 NICUSA, AZ Division Transition Period Term	Mar. 31, 2013 State of Kansas Extended Term	Mar. 31, 2013 State of Nebraska Extended Term	Mar. 31, 2013 State of Vermont Extended Term	Mar. 31, 2013 State of Rhode Island Extended Term	Jun. 30, 2013 Kentucky Extended Term Subsequent Event	Jun. 30, 2013 State of Wisconsin Extended Term Subsequent Event	Jun. 30, 2013 State of Iowa Extended Term Subsequent Event	Mar. 31, 2013 US Department of Transportation, Federal Motor Carrier Safety Administration Renewal Term Contract	Mar. 31, 2013 US Department of Transportation, Federal Motor Carrier Safety Administration Third Extended Term	Mar. 31, 2013 Federal Election Commission	Mar. 31, 2013 Federal Election Commission Renewal Term	Mar. 31, 2013 Outsourced State Portal Contracts Contract
Contracts [Line Items]
Number of portal outsourcing contracts that can be terminated by the other party without cause on period of notice																		15
Percentage of total consolidated revenues related to contracts that can be terminated by the other party without cause on period of notice																		57.00%
Performance bond commitments	$ 5.3
Term of contract			18 months				1 year	2 years	4 months	5 months	1 year	5 years	6 months	1 year	1 year		3 months
Number of federal agencies the Company currently has contracts with to provide outsourced services	2
Number of contract renewal options														4
Contract Expiration date		Aug. 31, 2012			Jun. 26, 2013										Feb. 16, 2014	May 31, 2013
Number of outsourced portal services or software development and services contracts with expiration date within a 12-month period	13
Percentage of total consolidated revenues related to contracts with expiration dates within a 12-month period	21.00%
Percentage of total consolidated revenues		2.00%			1.00%
Description of contract term				Expired - in transition period ending 8/31/2013		Expires on June 26, 2013