Other Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets and Indefinite-Lived Assets [Line Items]
Gross Amount	$ 73,860	$ 73,953
Accumulated Amortization	66,315	65,460
Net	7,545	8,493
Intangible Assets, Gross (Excluding Goodwill)	78,360	78,453
Other intangible assets, net	12,045	12,993
Customer relationships
Finite-Lived Intangible Assets and Indefinite-Lived Assets [Line Items]
Gross Amount	35,123	35,156
Accumulated Amortization	31,763	31,262
Net	3,360	3,894
Developed technology
Finite-Lived Intangible Assets and Indefinite-Lived Assets [Line Items]
Gross Amount	29,063	29,097
Accumulated Amortization	25,384	25,039
Net	3,679	4,058
Patents, trademarks and tradenames
Finite-Lived Intangible Assets and Indefinite-Lived Assets [Line Items]
Gross Amount	4,011	4,021
Accumulated Amortization	3,637	3,627
Net	374	394
Servicing contracts and other
Finite-Lived Intangible Assets and Indefinite-Lived Assets [Line Items]
Gross Amount	5,663	5,679
Accumulated Amortization	5,531	5,532
Net	132	147
Tradenames and Trademarks
Finite-Lived Intangible Assets and Indefinite-Lived Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 4,500	$ 4,500