Preliminary Purchase Price Allocation - Online Resources Corporation (Detail) (USD $) In Thousands, unless otherwise specified				6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 ORCC	Jun. 30, 2013 ORCC Software	Jun. 30, 2013 ORCC Customer relationships	Jun. 30, 2013 ORCC Trademarks
Business Acquisition [Line Items]
Cash and cash equivalents			$ 9,930
Billed and accrued receivables, net			19,394
Deferred income taxes, net			18,224
Other current assets			11,592
Total current assets acquired			59,140
Property and equipment			8,175
Goodwill	625,990	501,141	124,104
Amortizable intangible assets				62,774	68,750	3,050
Other noncurrent assets			626
Total assets acquired			326,619
Accounts payable			15,216
Accrued employee compensation			10,549
Note payable			7,500
Other current liabilities			4,232
Total current liabilities acquired			37,497
Deferred income taxes, net			24,125
Other noncurrent liabilities acquired			3,508
Total liabilities acquired			65,130
Net assets acquired			$ 261,489
Acquired intangible assets, weighted-average useful lives				10 years	15 years	5 years