Note 12 - Restructuring (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011 years employees	Sep. 30, 2010	Sep. 30, 2011 years acquisitions segments employees	Sep. 30, 2010
Restructuring Cost and Reserve [Line Items]
Employees Impacted by Consolidation	1,000		1,000
Restructuring and related costs incurred to date			$ 47,200,000
Restructuring and related costs	(233,000)	3,005,000	(482,000)	20,437,000
Marketplaces [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	(233,000)	3,005,000	(482,000)	20,428,000
Marketplaces [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	(168,000)	2,977,000	37,000	17,228,000
Marketplaces [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	(65,000)	28,000	(519,000)	3,200,000
Payments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	0	0	0	9,000
Payments [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	0	0	0	9,000
Payments [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	0	0	0	0
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	(168,000)	2,977,000	37,000	17,237,000
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	$ (65,000)	$ 28,000	$ (519,000)	$ 3,200,000