Note 13 - Comprehensive Income and Accumulated Other Comprehensive Income (Loss) (Detail) - Components of Accumulated Other Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Dec. 31, 2011
Pension liability adjustment(a)	$ (13,585)	[1]	$ (13,578)	[1]
Unrealized gain on investments(b)	9,762	[2]	6,642	[2]
Foreign currency translation adjustment	13,315		15,567
Total	$ 9,492		$ 8,631

[1] Net of tax of $7,190 and $7,186 for 2012 and 2011, respectively.

[2] Net of tax of $0 and $0 for 2012 and 2011, respectively.