Preliminary Purchase Price Allocation - Online Resources Corporation (Detail) (ORCC, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Business Acquisition [Line Items]
Cash and cash equivalents	$ 9,930
Billed and accrued receivables, net	19,394
Deferred income taxes, net	19,105
Other current assets	10,262
Total current assets acquired	58,691
Property and equipment	8,074
Goodwill	98,495
Other noncurrent assets	459
Total assets acquired	335,763
Accounts payable	15,375
Accrued employee compensation	10,538
Note payable	7,500
Other current liabilities	4,333
Total current liabilities acquired	37,746
Deferred income taxes, net	35,437
Other noncurrent liabilities acquired	2,462
Total liabilities acquired	75,645
Net assets acquired	260,118
Software
Business Acquisition [Line Items]
Amortizable intangible assets	67,844
Acquired intangible assets, weighted-average useful lives	10 years
Customer relationships
Business Acquisition [Line Items]
Amortizable intangible assets	99,150
Acquired intangible assets, weighted-average useful lives	15 years
Trademarks
Business Acquisition [Line Items]
Amortizable intangible assets	$ 3,050
Acquired intangible assets, weighted-average useful lives	5 years