Carrying Amounts of Major Classes of Assets and Liabilities Included as Part of Multicard Disposal Group (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Subsequent Event [Line Items]
Gross amount of goodwill	$ 72,400	$ 72,400
Accounts payable	(15,365)	(12,926)	[1]
Deferred revenue	(3,232)	(2,843)	[1]
Multicard
Subsequent Event [Line Items]
Accounts receivable	714
Inventories	423
Gross amount of goodwill	1,310
Accounts payable	(431)
Deferred revenue	(1,039)
Accrued expenses and other liabilities	$ (225)

[1] The condensed consolidated balance sheet has been derived from the audited consolidated financial statements at December 31, 2012 but does not include all the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.