STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2011

Computation of Basic and Diluted Net Earnings Per Share

The following table sets forth the computation of basic and diluted net earnings per share for the years ended December 31, 2011, 2010 and 2009:

	Year Ended December 31,
	2011		2010		2009
Numerator: net earnings	$	227.8	$	143.3	$	142.0
Denominator:
Denominator for basic earnings per share -
Weighted average shares (in millions)		101.1		99.7		98.5
Effect of dilutive securities -
Dilutive securities		0.8		1.2		0.8
Denominator for diluted earnings per share -
Adjusted weighted average shares (in millions)		101.9		100.9		99.3
Basic net earnings per share	$	2.25	$	1.44	$	1.44
Diluted net earnings per share	$	2.24	$	1.42	$	1.43

Restricted Stock Shares Granted, Vested, Forfeited and Outstanding

The following table summarizes shares of restricted stock that were granted, vested, forfeited and outstanding:

	December 31, 2011							December 31, 2010
						Weighted							Weighted
				Weighted		Average					Weighted		Average
				Average		Remaining					Average		Remaining
	Shares			Grant Date		Vesting Period		Shares			Grant Date		Vesting Period
	(in thousands)			Fair Value		(in years)		(in thousands)			Fair Value		(in years)
Outstanding, beginning of
period		2,196			23.74		2.53		2,767		$	18.96		2.45
Shares granted		682			37.84		--		788			34.84		--
Shares vested		(866	)		22.80		--		(1,253	)		22.63		--
Shares forfeited		(72	)		25.91		--		(106	)		19.69		--
Outstanding, end of period		1,940			29.08		2.44		2,196			23.74		2.53