Note 12 - Restructuring (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011 employees	Jun. 30, 2010	Jun. 30, 2011 acquisitions segments employees	Jun. 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	(100,000)	8,863,000	(249,000)	17,432,000
Marketplaces [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	(100,000)	8,854,000	(249,000)	17,423,000
Marketplaces [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	(118,000)	5,719,000	205,000	14,250,000
Marketplaces [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	18,000	3,135,000	(454,000)	3,173,000
Payments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	0	9,000	0	9,000
Payments [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	0	9,000	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	(118,000)	5,728,000	205,000	14,259,000
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs	$ 18,000	$ 3,135,000	$ (454,000)	$ 3,173,000