Note 11 - Capital Stock and Stock Options Level 3 (Tables)

12 Months Ended

Dec. 31, 2014

CAPITAL STOCK AND STOCK OPTIONS [Abstract]

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

The following table summarizes common stock activity for the years ended December 31, 2014, 2013, and 2012:

(in millions)	Common Stock
	2014	2013	2012
Beginning balance	49.5	48.6	48.4
Shares issued for stock options exercised	0.4	0.7	—
Vesting of restricted stock and other	0.1	0.2	0.2
Ending balance	50.0	49.5	48.6

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The following table summarizes option activity under the stock option plans as of December 31, 2014:

	Options		Weighted Average Exercise Price		Aggregate Intrinsic Value (in millions)		Weighted Average Contractual Term (in years)
Outstanding at January 1, 2014	4,176,666		$	13.50
Granted	135,750		10.53
Exercised	(900,801	)	10.48
Forfeited	(276,110	)	13.43
Outstanding at December 31, 2014	3,135,505		$	14.25	$	6.9	6.18
Vested or expected to vest at December 31, 2014	3,095,611		$	14.31	$	6.7	6.11
Exercisable at December 31, 2014	2,671,717		$	14.90	$	5.0	5.39

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The following assumptions were used to value stock option grants during the following periods:

	December 31,
	2014				2013				2012
Dividend yield	—%				—%				—%
Expected volatility	56	%	-	58%	59	%	-	62%	59	%	-	62%
Risk-free interest rate	1.7	%	-	1.8%	0.9	%	-	1.4%	0.6	%	-	1.0%
Expected life (in years)	4		-	5	4		-	5	4		-	5

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

A summary of restricted stock activity under the aforementioned plan is as follows:

	Restricted Stock  Awards
Unvested at January 1, 2014	846,083
Vested	(317,500	)
Issued	293,318
Surrendered	(58,669	)
Unvested at December 31, 2014	763,232