Note 8 Restructuring Reserve Rollforward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Restructuring Reserve Rollforward
Accrual balance, beginning	$ 5,007	$ 7,743
Charges to operations	4,210	4,054
Charges utilized	(4,548)	(6,790)
Accrual balance, ending	4,669	5,007
Restructuring Plans Prior to FY2012 [Member] | Employee Severance [Member]
Restructuring Reserve Rollforward
Accrual balance, beginning	2,705	6,327
Charges to operations	132	77
Charges utilized	(749)	(3,699)
Accrual balance, ending	2,088	2,705
Restructuring Plans Prior to FY2012 [Member] | Facility Closing [Member]
Restructuring Reserve Rollforward
Accrual balance, beginning	2,302	1,416
Charges to operations	4,078	3,977
Charges utilized	(3,799)	(3,091)
Accrual balance, ending	$ 2,581	$ 2,302