Note E - Goodwill and Other Intangible Assets (Details) - Other Intangible Assets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	$ 59,789	$ 62,255
Less: accumulated amortization	(47,550)	(41,239)
Total other intangible assets, net	12,239	21,016
Customer-Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	58,829	58,204
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross	960	3,237
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets, gross		$ 814