Note 12 Stock Options Outstanding Rollforward (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding	11,606	10,922
Granted	116	892
Exercised, cancelled, forfeited, expired	(480)	(208)
Outstanding	11,242	11,606
Vested and expected to vest, March 31, 2012	10,446
Exercisable, March 31, 2012	7,524
Weighted Average Exercise Price [Abstract]
Outstanding	$ 13.46	$ 13.85
Granted	$ 10.99	$ 8.64
Exercised, cancelled, forfeited, expired	$ 8.76	$ 12.88
Outstanding	$ 13.64	$ 13.46
Vested and expected to vest, March 31, 2012	$ 13.99
Exercisable, March 31, 2012	$ 15.91
Weighted Average Remaining Contractual Term (Years) [Abstract]
Outstanding	6.64	6.91	6.89
Vested and expected to vest, March 31, 2012	6.50
Exercisable, March 31, 2012	5.72
Aggregate Intrinsic Value of In the Money Options [Abstract]
Outstanding	$ 31,022	$ 16,839	$ 14,195
Vested and expected to vest, March 31, 2012	28,453
Exercisable, March 31, 2012	$ 19,021